Materiały źródłowe

• #1 Small bowel cancer – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/small-bowel-cancer/diagnosis-treatment/drc-20442293

  Small bowel cancers are difficult to diagnose. For this reason, people suspected of having small bowel cancer often need multiple tests and procedures to locate the cancer or rule out a cancer. These may include: […] Blood tests can’t detect small bowel cancer, but they can give clues about your health. A blood test called a complete blood count can detect a low red blood cell count. The red blood cells could be low if small bowel cancer is causing bleeding. Blood tests also can show how well the organs are working. For example, results on kidney or liver function tests could be a clue that the cancer has spread to those organs. […] Imaging tests create pictures of the body. They can show the location and size of small bowel cancer. Tests might include MRI, CT and positron emission tomography, also called a PET scan.

• #1 Diagnosis of small intestine cancer | Canadian Cancer Society

  https://cancer.ca/en/cancer-information/cancer-types/small-intestine/diagnosis

  Diagnosing small intestine cancer usually begins with a visit to your family doctor. Your doctor will ask you about any symptoms you have and may do a physical exam. Based on this information, your doctor may refer you to a specialist or order tests to check for small intestine cancer or other health problems. […] The following tests are commonly used to rule out or diagnose small intestine cancer. Many of the same tests used to diagnose cancer are used to find out the stage, which is how far the cancer has progressed. Your doctor may also order other tests to check your general health and to help plan your treatment. […] A physical exam allows your doctor to look for any signs of small intestine cancer. During a physical exam, your doctor may: feel the abdomen for any swelling, pain or lumps; look at your skin and eyes to see if they are yellow (called jaundice).

• #1 Symptoms and getting diagnosed | Bowel cancer | Cancer Research UK

  https://www.cancerresearchuk.org/about-cancer/small-bowel-cancer/symptoms-diagnosing

  Small bowel cancer symptoms include: pain or lump in your tummy (abdomen), weight loss, feeling and being sick, diarrhoea, tiredness, dark black poo, due to bleeding in the small bowel, blockage in the bowel, a low number of red blood cells (anaemia) due to bleeding. […] The symptoms of small bowel cancer can be vague. They can also be symptoms of other conditions, such as irritable bowel disease or inflammatory bowel disease but its important to see your doctor. […] It can be difficult to diagnose small bowel cancer as the small bowel is in the middle part of the digestive tract, so it can be hard for your doctor to examine. Taking pictures, for example a CT scan of the small bowel can be difficult. […] Your doctor will arrange for you to have some tests, if you have symptoms that suggest small bowel cancer. The tests will help the doctor see any lump or growth in the bowel. Often doctors wont be able to make a diagnosis until you have surgery to remove a lump.

• #1 Small Intestine Adenocarcinoma > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/small-intestine-adenocarcinoma

  Small intestine cancers are difficult to diagnose. The small intestine is a body part that isnt screened regularly, unlike the colon for which patients undergo regular screening colonoscopies. And people with small intestine cancer often dont notice symptoms until their disease has progressed. […] How is small intestine adenocarcinoma diagnosed? […] The fact that many people dont experience symptoms means that these cancers tend to be discovered late, since doctors arent looking for them. But when there are problems suggestive of the condition, doctors ask questions to learn about the persons medical history and symptoms. […] Diagnostic tests to identify or rule out small intestine cancer include: CT scan or MRI are imaging tests that allow doctors to visually examine internal tissues and organs. Barium X-ray, during which the patient drinks a beverage containing barium, so that abnormal areas within the small intestine will stand out on X-ray images. Capsule endoscopy, during which the patient swallows a pill containing a camera, which is used to examine the inside of the small intestine. Enteroscopy, during which a long, thin tube with a camera on the end is inserted into the mouth or anus, to view the inside of the small intestine; a special balloon attached to the tube is inflated to help move the tube farther along through the intestinal tract. Endoscopic ultrasonography, during which a long, thin tube with an ultrasound device is inserted into the mouth, down the esophagus to the first section of the small intestine; ultrasound waves can show images of the interior of the digestive system. Blood tests to look for cancer markers or other conditions. Fecal occult blood test, which checks for the presence of blood in the stool. […] If doctors see a tumor or other signs of cancer, they must biopsy the tissue to make a formal diagnosis. The biopsy is often done with endoscopy. Sometimes, when the tumor is in a location that isnt reachable by an endoscope, a surgical biopsy is necessary.

• #1 Tests for Small Intestine Cancer (Adenocarcinoma) | American Cancer Society

  https://www.cancer.org/cancer/types/small-intestine-cancer/detection-diagnosis-staging/how-diagnosed.html

  Small intestine cancers are often found because of signs or symptoms a person is having. But these symptoms arent usually enough to know for sure if a person has a small intestine cancer or some other type of health problem. If a tumor is suspected, exams and tests will be needed to confirm the diagnosis. […] If your doctor suspects a small intestine cancer, they will likely order some blood tests, such as: A complete blood count (CBC), which measures the levels of red blood cells, white blood cells, and platelets. Small intestine cancer often causes bleeding into the intestines, which can lead to a low red blood cell count (anemia). […] Imaging tests use x-rays, magnetic fields, or radioactive substances to create pictures of the inside of the body. Imaging tests might be done for a number of reasons, including: To help determine if symptoms are being caused by a tumor.

• #1 Diagnosing Small Intestine Cancer | NYU Langone Health

  https://nyulangone.org/conditions/small-intestine-cancer/diagnosis

  Sometimes doctors use a barium X-ray, also called an upper GI series, to examine the upper digestive tract. […] NYU Langone doctors may order a CT scan, in which cross-sectional images of the body are created using X-rays and a computer. […] Doctors may also recommend an enhanced CT scan, known as a CT enterography. […] An MRI scan uses a magnetic field and radio waves to create two- and three-dimensional images of structures inside the body. […] To get a better look at the gastrointestinal tract, the doctor may ask you to drink a contrast agent just before the MRI.

• #1 Small-Intestine Cancer – Digestive Disorders – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/digestive-disorders/tumors-of-the-digestive-system/small-intestine-cancer

  The diagnosis is based on various intestinal viewing techniques, including enteroclysis, endoscopy, and barium x-rays. […] Doctors typically do enteroclysis. In this procedure, a large amount of barium liquid is inserted through a tube in the nose and x-rays are taken as the barium moves through the digestive tract. Sometimes this procedure is done with a computed tomography (CT) scan instead of plain x-rays, in which case the person can just drink the barium rather than having a tube put through their nose. […] For endoscopy, a doctor passes an endoscope (a flexible viewing tube) through the mouth and down to the duodenum and part of the jejunum (the upper and middle sections of the small intestine) to locate the tumor and do a biopsy (remove a tissue sample for examination under a microscope). […] A wireless battery-powered capsule that contains one or two small cameras (video capsule endoscopy) can be swallowed to take pictures of tumors of the small intestine. […] Sometimes exploratory surgery is needed to identify a tumor in the small intestine.

• #1 Small Bowel Cancer: Alarming Symptoms and Causes, Types, Diagnosis and Treatment – OncoDaily

  https://oncodaily.com/oncolibrary/cancer-types/small-bowel-cancer

  Early and accurate diagnosis is critical, often involving advanced imaging techniques, endoscopy, and biopsy. […] Accurate diagnosis is crucial for effective treatment planning. Studies show that the combination of imaging tests and endoscopic biopsies can achieve a diagnostic accuracy of up to 90% for small bowel cancers. […] Diagnosis often involves imaging tests like CT scans, endoscopic procedures, and biopsies to identify and stage the cancer. Blood tests and genetic testing may also be used. […] Small bowel cancer diagnosis involves several diagnostic procedures to accurately identify and stage the disease. The primary diagnostic methods include: Imaging tests: CT scans, MRI, and PET scans provide detailed images of the small bowel and surrounding tissues. These tests detect tumors and assess their size and spread.

• #1 Diagnosing Small Intestine Cancer | NYU Langone Health

  https://nyulangone.org/conditions/small-intestine-cancer/diagnosis

  NYU Langone doctors are experts at diagnosing small intestine cancer. […] After asking about your symptoms and taking a medical history, your doctor may perform one or more of several tests to diagnose small intestine cancer. […] During an upper endoscopy, the doctor uses an endoscope, which is a thin, lighted tube with a camera at its tip, to closely look at the lining of the esophagus, stomach, and duodenum. […] Doctors can pass small surgical tools through the endoscope to take tissue samples, which can help diagnose small intestine cancer. […] Sometimes doctors use capsule endoscopy to detect tumors in the small intestine. […] If the capsule endoscopy detects a growth in the small intestine, doctors may perform an enteroscopy. […] If a person has jaundice or if an endoscopy or enteroscopy shows that a tumor in the small intestine is near the common bile duct, doctors may perform an endoscopic retrograde cholangiopancreatography.

• #1 Tests for Small Intestine Cancer (Adenocarcinoma) | American Cancer Society

  https://www.cancer.org/cancer/types/small-intestine-cancer/detection-diagnosis-staging/how-diagnosed.html

  Most patients who have or may have a small intestine tumor will have one or more of these tests. […] Procedures such as endoscopy and imaging tests can find areas that look like cancer, but the only way to know for certain is to do a biopsy. In a biopsy, a piece of the abnormal area is removed and looked at under a microscope. […] Doctors can usually tell if a biopsy sample contains cancer (adenocarcinoma) cells by looking at it under a microscope. But other tests might be done on the samples as well.

• #1 Small bowel cancer – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/small-bowel-cancer/diagnosis-treatment/drc-20442293

  A biopsy is a procedure to remove a sample of tissue for testing in a lab. The tissue might be removed during a procedure to see inside the small intestine. […] Several tests allow doctors to examine the inside of the small intestine. Often, a sample of tissue is collected during these tests. […] Sometimes small bowel cancers are in places that make them hard to see with other tests. If this happens, your health care team may suggest surgery to look at your small intestine and the surrounding area for signs of cancer. […] Surgery can involve one large incision in your abdomen, called a laparotomy. It also can involve several small incisions, called a laparoscopy. […] For small bowel cancer, chemotherapy might be used after surgery if there’s a risk that the cancer could return. […] For advanced cancer, chemotherapy might help relieve symptoms. If the cancer is too big to be removed with surgery, it may first be treated with chemotherapy to shrink it. […] Radiation therapy uses powerful energy beams to kill cancer cells. […] Targeted therapy uses medicines that attack specific chemicals in the cancer cells. […] Immunotherapy is a treatment with medicine that helps your body’s immune system to kill cancer cells.

• #1 The Radiology Assistant : Small Bowel Tumors

  https://radiologyassistant.nl/abdomen/bowel/small-bowel-tumors

  Small bowel tumors are rare, accounting for 3-6% of gastrointestinal tumors. The clinical presentation is non-specific. Symptoms include anemia, gastro-intestinal bleeding, abdominal pain or small bowel obstruction. […] The differential diagnosis will be discussed. […] The diagnosis is seldom made pre-operatively due to lack of typical imaging features. The risk is related to the duration and anatomical extent of the disease and develops in the terminal ileum, in the region of active Crohn’s disease. […] The typical presentation of a small bowel lymphoma is a thick walled infiltrating mass with aneurysmal dilatation without obstruction. […] The likelihood of metastases is related to the size of the tumor. […] The spread of metastases to the small bowel can be intraperitoneal, hematogenous, lymphatic or by direct extension.

• #1

  https://www.americanoncology.com/cancer-we-treat/diagnosis/small-bowel-cancer

  Upper endoscopy: It is also known as an esophagogastroduodenoscopy. […] Capsule endoscopy: In this procedure, the individual swallows a capsule that has a small camera. […] Double-balloon endoscopy: Upper endoscopy cannot provide a complete view of the small intestine due to the large size of the small intestine (almost 20 feet) and several curves. […] Biopsy: Biopsy is the only procedure that confirms cancer.

• #1

  http://www.bccancer.bc.ca/health-info/types-of-cancer/digestive-system/small-bowel

  Wireless capsule endoscopy: You swallow a small capsule that has a light and a very small camera. The capsule moves through your digestive system and takes thousands of pictures. The camera leaves your body during a bowel movement (going poop). […] Laparotomy: a cut is made into your abdomen so that a doctor can use a camera (laparoscope) to look at your organs. […] What are the types of small bowel cancer? […] Adenocarcinoma: the most common type of small bowel cancer. It starts in the glandular cells in the lining of the small intestine. […] Carcinoid tumours: 30% (30 out of 100) of small bowel cancers are carcinoid tumours. They start in hormone-producing (endocrine) cells in the lining of the small intestine. These can be fast or slow growing cancers. […] Lymphoma: 14% (14 out of 100) of small bowel cancers are lymphomas. Most are non-Hodgkin’s lymphomas.

• #1 Small bowel cancer – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/small-bowel-cancer/symptoms-causes/syc-20352497

  The type of small bowel cancer you have is based on the type of cell where your cancer began. Examples of small bowel cancer types include: Adenocarcinoma is the most common type of small bowel cancer. Adenocarcinoma starts in the gland cells that make mucus. […] Diagnosis and staging of small bowel neoplasms.

• #1

  http://www.bccancer.bc.ca/health-info/types-of-cancer/digestive-system/small-bowel

  Sarcoma: 11% (11 out of 100) of small intestine cancers are sarcomas. […] Gastrointestinal Stromal Tumour (GIST): GISTs start in cells that are part of the autonomic nervous system in the wall of the small intestine. About 50 people are diagnosed with GIST in B.C. each year. It is very rare. […] What is the treatment for small bowel cancer? […] Cancer treatment may be different for each person. It depends on your particular cancer. Your treatment may be different from what is listed here. […] Here is information on how we treat the most common types of small bowel cancer: […] Adenocarcinomas […] Usually removed by surgery if it has not spread to another part of your body. […] If the cancer cannot be removed, you may have surgery to help with a blockage or to stop bleeding. […] After surgery to remove the cancer, you may have systemic therapy (chemotherapy). This is called adjuvant systemic therapy. It may increase the chance of cure for people with localized cancer (cancer that has not spread).

• #1 Malignant Neoplasms of the Small Intestine: Practice Essentials, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/282684-overview

  Malignant neoplasms of the small bowel are among the rarest types of cancer, accounting for 3.5% of all GI cancers. Research into the natural history and prognosis of patients with small bowel cancer has been limited by the small number of cases and the heterogeneity of tumor types: Small-bowel tumors may be adenocarcinomas, carcinoid tumors, lymphomas, sarcoma (most commonly leiomyosarcoma and more rarely angiosarcoma or liposarcoma), or gastrointestinal stromal tumors (GISTs). Each of these tumor subtypes has its own distinct clinical behavior and, therefore, requires a different treatment approach. […] Unfortunately, malignant lesions of the small bowel are often discovered when they have metastasized to distant sites or at surgery indicated for another diagnosis or intestinal obstruction. Thus, these patients often have in a poor prognosis. The 5-year survival rates of small-intestine cancers by stage are as follows: Stage I – 70%, Stage II – 55%, Stage III – 30%, Stage IV – 5-10%.

• #1 Small Intestine Cancer: Understanding the Signs & Symptoms of Tumors in the Small Intestines – Cleveland OH | University Hospitals

  https://www.uhhospitals.org/services/cancer-services/gastrointestinal-cancer/small-intestine-cancer-treatment/about-small-intestine-cancer

  Small intestine cancer is a rare disease in which malignant (cancer) cells form in the tissues of the small intestine. […] Tests that examine the small intestine are used to diagnose and stage small intestine cancer. […] Signs and symptoms of small intestine cancer include unexplained weight loss and abdominal pain. […] Procedures that make pictures of the small intestine and the area around it help diagnose small intestine cancer and show how far the cancer has spread. […] Staging is used to find out how far the cancer has spread, but treatment decisions are not based on stage. […] Tests and procedures to stage small intestine cancer are usually done at the same time as diagnosis. […] Treatment depends on whether the tumor can be removed by surgery and if the cancer is being treated as a primary tumor or is metastatic cancer. […] Treatment for small intestine cancer may cause side effects. […] Patients can enter clinical trials before, during, or after starting their cancer treatment. […] Follow-up tests may be needed.

• #1 Small Bowel Cancer – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK560725/

  The pathway to arriving at the diagnosis of small bowel cancer includes significant variability in how tests are completed. […] Endoscopic evaluation of small bowel cancers helps identify mucosal lesions that may not be identified on routine imaging modalities. […] The followings are specific recommendations for small bowel adenocarcinoma according to the National Comprehensive Cancer Network (NCCN). […] Patients who are suspected to be affected by small bowel adenocarcinoma should be exclusively evaluated with comprehensive staging measures, including tissue sampling and pathological examination, CBC, imaging, and endoscopy measures, and specific tumor markers, including carbohydrate antigen 19-9 (CA19-9), and carcinoembryonic antigen (CEA). […] The most commonly used staging system for the majority of small bowel cancers is the TNM staging system. […] The exact type of appropriate segmental resection to pursue depends on the anatomical location of the tumor.

• #1 Small Intestine Cancer | UPMC Hillman Cancer Center

  https://hillman.upmc.com/cancer-care/colorectal-gi/types/small-intestine

  Cancers of the small intestine or small bowel cancers are specialized cancers of the gastrointestinal (digestive) system. […] Small intestine cancers are rare. Doctors diagnosed only about 10,000 new cases in the United States in 2016. […] We also offer risk reduction education and early detection services for many types of cancers. […] Call your doctor if you have any of these symptoms. Even if the cause isn’t small bowel cancer, they might be signs of other health problems that need treatment. […] The cause of this type of cancer is often unknown. […] Some factors that seem to increase the risk of getting small intestine cancer include: Age 60 or older. […] Doctors define staging based on: How deep the tumor has penetrated the lining of the small intestine. […] Doctors stage the progress of small intestine adenocarcinoma as follows: Stage 0 the tumor hasn’t gone beyond the top layer of mucosa cells in the small intestine.

• #1 Small Intestine Cancer | Causes, Symptoms, & Treatment | MedStar Health

  https://www.medstarhealth.org/services/small-intestine-cancer

  Biopsies, which removes cells to be analyzed for signs of cancer by a pathologist. […] While staging is important, these tumors are grouped based on the type of small intestine cancer and whether the tumor can be removed by surgery. […] In order to plan treatment, it is important to know the types and whether your tumor can be removed by surgery. […] Your treatment options may vary depending on: […] Surgery is the most common treatment of small intestine adenocarcinomas and leiomyosarcomas. […] Depending on your tumor, your surgeon may perform one of the following types of surgery: […] If the tumor in your small intestine cannot be removed, your radiation oncologist may recommend external radiation therapy to: […] Your care team will include a medical oncologist who will determine if you may benefit from chemotherapy with or without other therapies. […] Your doctor may recommend a therapy or treatment approach for small intestine cancer currently being tested in clinical trials.

• #1 Can Small Intestine Cancer (Adenocarcinoma) Be Found Early? | American Cancer Society

  https://www.cancer.org/cancer/types/small-intestine-cancer/detection-diagnosis-staging/detection.html

  Screening is testing for diseases like cancer in people who do not have any symptoms. Screening tests can find some types of cancer early, when treatment is most likely to be effective. But small intestine adenocarcinomas are rare, and no effective screening tests have been found for these cancers, so routine testing for people without any symptoms is not recommended. […] For people with certain inherited genetic syndromes who are at increased risk of small intestine cancer, doctors might recommend regular tests to look for cancer early, especially in the duodenum (the first part of the small intestine). Tests that might be done include upper endoscopy (in which a long tube with a tiny video camera on the end is passed down the throat, through the stomach, and into the duodenum), CT scans, and endoscopic ultrasound (EUS).

• #1 Malignant Neoplasms of the Small Intestine Clinical Presentation: History, Physical Examination

  https://emedicine.medscape.com/article/282684-clinical

  Small-bowel cancer is typically asymptomatic in its early stages, but more than 90% of patients eventually develop symptoms as the disease progresses. This unfortunately reflects advanced disease. Because of the nonspecific nature of symptoms, a significant delay between the onset of symptoms and diagnosis often occurs, averaging 6-8 months. […] Nausea, vomiting, and intestinal obstruction are common presenting symptoms. Half of these patients undergo emergency surgery for intestinal obstruction. Abdominal pain and weight loss complicate the clinical presentation; bleeding is less common. […] The few published series on small bowel neoplasms that are available cannot be used as generalizations for presentation of the individual histologic subtypes. However, it does appear that adenocarcinomas are more frequently associated with pain and obstruction when compared to sarcomas and carcinoids. Gastrointestinal stromal tumors (GISTs) present more commonly as acute GI bleeding.

• #1 Small Intestine Cancer | Causes, Symptoms, & Treatment | MedStar Health

  https://www.medstarhealth.org/services/small-intestine-cancer

  Small intestine cancer, also called small bowel cancer, this is one of the most rare forms of GI cancer and can be challenging to detect. […] When cancer is detected in the small intestine, you need an experienced team of gastrointestinal specialists who use the latest diagnostic and treatment approaches that best fit your unique case. […] If you have symptoms of this type of cancer, a gastroenterologist will conduct a physical exam and ask you about your medical history. Then, they may recommend one or several tests, including imaging that may help for diagnosis. […] If these tests confirm cancer, your doctor will also stage the cancer or determine how far it has spread at the same time. […] The following tests and procedures may be used: […] Blood tests, including: […] Imaging tests, including:

• #1 Small Intestine Cancer – Gastrointestinal Cancer | UCLA Health Jonsson Comprehensive Cancer Center

  https://www.uclahealth.org/cancer/cancer-services/gi-cancer/conditions/small-intestine-cancer

  Small intestine cancer, also called small bowel cancer, is the rarest type of GI cancer. […] With precise diagnosis and leading-edge treatment, we can offer the best outcome to people with one of these uncommon tumors. […] Because small intestine cancer is uncommon, it requires expertise for a precise diagnosis. Doctors will ask about your symptoms and study several tests to diagnose a tumor. Your diagnostic tests may include: […] Blood tests: Blood samples can show signs of infection or changes in your liver function. The results tell your doctors which further tests may be useful. […] Endoscopy: Endoscopy looks inside your GI tract for abnormal areas. During some types of endoscopy, UCLAs advanced endoscopists can remove suspicious polyps or cells. […] Biopsy: Your doctor performs a biopsy to remove a small sample of cells for laboratory study and analysis. If the cells are cancerous, your doctor will recommend the best course of treatment. […] Imaging: Specialized imaging tests can identify cancerous cells (lesions) in your intestinal tract. Your doctor may order X-rays, CT scans or MRI scans to help understand a tumors location and type.

• #1 Small Intestine Cancer Treatment – NCI

  https://www.cancer.gov/types/small-intestine/patient/small-intestine-treatment-pdq

  Small intestine cancer is a rare disease in which malignant (cancer) cells form in the tissues of the small intestine. […] Tests that examine the small intestine are used to diagnose and stage small intestine cancer. […] Signs and symptoms of small intestine cancer include unexplained weight loss and abdominal pain. […] Procedures that make pictures of the small intestine and the area around it help diagnose small intestine cancer and show how far the cancer has spread. The process used to find out if cancer cells have spread within and around the small intestine is called staging. […] Tests and procedures to stage small intestine cancer are usually done at the same time as diagnosis. […] The prognosis and treatment options depend on the following: The type of small intestine cancer.

• #1 Small intestine cancer | EBSCO Research Starters

  https://www.ebsco.com/research-starters/health-and-medicine/small-intestine-cancer

  To stage the cancer, a laparotomy may be performed. In this surgical procedure, the abdomen is opened, and samples are taken to determine how far the cancer has spread. […] Staging is done based on the degree of invasiveness of the tumor, how far the cancer has spread, and whether it can be entirely removed with surgery. […] The preferred treatment for all small intestine cancer is surgical removal of the diseased portion of the bowel. […] This is usually followed by chemotherapy, radiation therapy, or both. […] Immunotherapy has emerged as a promising treatment for small intestine cancer. […] Small intestine cancer is difficult to successfully treat because it is rarely diagnosed at an early stage. […] The American Cancer Society estimates the five-year survival rate for people with small intestine adenocarcinoma is 84 percent when the cancer is localized to the small intestine, 78 percent when the cancer is regional (stages II and III), and 42 percent when the cancer has spread to other distant parts of the body.

• #1 Endoscopic Diagnosis of Small Bowel Tumor

  https://www.mdpi.com/2072-6694/16/9/1704

  Recent technological advances, including capsule endoscopy (CE) and balloon-assisted endoscopy (BAE), have revealed that small intestinal disease is more common than previously thought. Early diagnosis of small intestinal tumors is essential for favorable outcomes. For early diagnosis, after examination of the upper and lower gastrointestinal tract, the possibility of small bowel lesions should be considered in patients with unexplained symptoms and signs, including gastrointestinal bleeding, chronic anemia, abdominal pain, obstructive symptoms, body weight loss, palpable abdominal mass, and fever of unknown origin. […] Each modality has its advantages and disadvantages, and a good combination of multiple modalities leads to an accurate diagnosis since a false negative or false positive result is possible with a single modality alone. […] For early diagnosis, the possibility of small bowel lesions should be considered in patients with unexplained symptoms and signs after examination of the upper and lower gastrointestinal tract.

• #1 Small Bowel Cancer – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK560725/

  Small bowel cancer encompasses a series of malignant lesions that may be identified throughout the small intestine (SI). […] This article will focus on the overall characteristics, diagnostics, treatment, and prognosis of malignant lesions. […] Diagnosis can be variable based on the location of the lesion under investigation and generally consists of laboratory studies, radiographic imaging, and endoscopic evaluation. […] The evaluation and diagnostic process of small bowel cancer consist of laboratory, imaging, and endoscopic evaluations. Unfortunately, the diagnosis is often delayed due to the nonspecific nature of presenting symptoms and low suspicion in evaluating generalized abdominal pain for small bowel cancer. […] Initial workup generally includes an evaluation with complete blood cell count and differential, chemistry studies, and liver function tests.

• #2 Small Intestine Cancer: Symptoms, Causes, Prognosis & Treatment

  https://my.clevelandclinic.org/health/diseases/6225-small-intestine-cancer

  Small intestine cancer is one of the rarest types of cancer affecting your gastrointestinal tract. Diagnosis often requires multiple procedures and tests. Your prognosis depends on numerous factors, including the cancer type, its stage and where the tumor started in your small intestine. […] Small intestine cancer can be challenging to diagnose because its so rare. Also, symptoms vary depending on the type of tumor. It may take extensive procedures and tests before you receive a diagnosis. […] Your healthcare provider may perform surgery if other tests dont provide enough information for a diagnosis. These procedures allow your healthcare provider to assess your organs directly. Theyll perform a biopsy to examine any suspicious tissue for signs of cancer. […] Cancer staging can provide information on the size of a tumor, where its located and whether its spread (metastasized). Tests and procedures to stage small intestine cancer usually happen during diagnosis.

• #2

  https://www.cancervic.org.au/cancer-information/types-of-cancer/small_bowel_cancer/small_bowel_overview.html

  Small bowel cancer can be difficult to diagnose, and symptoms may be vague and caused by other conditions. Symptoms may include: abdominal (tummy) pain, unexplained weight loss, a lump in the abdomen, blood in the stools or on the toilet paper, changes in bowel habits, including diarrhoea or constipation, feeling sick (nausea) or vomiting, tiredness and weakness, caused by a low red blood cell count (anaemia), yellowing of the skin and eyes (jaundice). […] If your doctor thinks that you may have small bowel cancer, they will perform a physical examination and carry out certain tests. If the results suggest that you may have small bowel cancer, your doctor will refer you to a specialist who will carry out more tests. […] Further tests a specialist may carry out include: Blood tests including a full blood count and liver function tests. You may also have a chromogranin A (CgA) blood test to help diagnose a carcinoid or other neuroendocrine tumour. Urine test to examine if there are any cancer waste products excreted into the urine. Immunochemical faecal occult blood test (iFOBT) to examine a stool sample for traces of blood. Endoscopy a flexible tube with a camera on the end (endoscope) is inserted under sedation down the throat into the stomach to view your gut. Capsule endoscopy a procedure where you swallow a small capsule that contains a tiny camera that takes pictures of your digestive tract that are then transmitted to a recorder you wear around your waist. The camera is passed out in your stools about 24 hours later. CT (computerised tomography) or MRI (magnetic resonance imaging) scans special painless machines are used to scan and create pictures of the inside of your body. PET (positron emission tomography) scan you will be injected with a small amount of radioactive glucose (sugar) solution to help cancer cells show up brighter on the scan. Sometimes a Dotatate-PET scan will be needed to find and diagnose neuroendocrine tumours, which involves a small amount of a radioactive drug call Dotatate rather than a radioactive glucose. Biopsy removal of some tissue from the affected area for examination under a microscope. In the small bowel, a biopsy can be done during an endoscopy or if it cant be reached, a surgical biopsy is done under general anaesthesia. Barium x-ray also called upper GI series with small bowel follow-through, you will be given a chalky barium liquid to drink which coats the inside of the bowel and can show any signs of cancer when an x-ray is taken. X-rays may be taken over a few hours as the barium travels to the end of the small bowel.

• #2 Malignant Neoplasms of the Small Intestine Clinical Presentation: History, Physical Examination

  https://emedicine.medscape.com/article/282684-clinical

  Small-bowel cancer is typically asymptomatic in its early stages, but more than 90% of patients eventually develop symptoms as the disease progresses. This unfortunately reflects advanced disease. Because of the nonspecific nature of symptoms, a significant delay between the onset of symptoms and diagnosis often occurs, averaging 6-8 months. […] Nausea, vomiting, and intestinal obstruction are common presenting symptoms. Half of these patients undergo emergency surgery for intestinal obstruction. Abdominal pain and weight loss complicate the clinical presentation; bleeding is less common. […] The few published series on small bowel neoplasms that are available cannot be used as generalizations for presentation of the individual histologic subtypes. However, it does appear that adenocarcinomas are more frequently associated with pain and obstruction when compared to sarcomas and carcinoids. Gastrointestinal stromal tumors (GISTs) present more commonly as acute GI bleeding.

• #2 Diagnosis of small intestine cancer | Canadian Cancer Society

  https://cancer.ca/en/cancer-information/cancer-types/small-intestine/diagnosis

  A CBC measures the number and quality of white blood cells, red blood cells and platelets. A CBC is done to check for anemia from long-term, or chronic, bleeding in the small intestine. […] Liver function tests are used to stage small intestine cancer. These tests measure how well the liver is working. Higher levels of certain substances in the blood may mean that small intestine cancer has spread to the liver.

• #2 Small Bowel Cancer | Cancer Council

  https://www.cancer.org.au/cancer-information/types-of-cancer/rare-cancers/small-bowel-cancer

  If your doctor thinks that you may have small bowel cancer, they will perform a physical examination and carry out certain tests. […] If the results suggest that you may have small bowel cancer, your doctor will refer you to a specialist who will carry out more tests. These may include: […] You will have blood tests including a full blood count to measure your white blood cells, red blood cells, platelets, and liver function tests to measure chemicals that are found or made in your liver. […] You may also have a chromogranin A (CgA) blood test to help diagnose a carcinoid or other neuroendocrine tumour. […] You will be asked to do a urine test to examine if there are any cancer waste products excreted into the urine. […] In an endoscopy a flexible tube with a camera on the end (endoscope) is inserted under sedation down your throat into the stomach to view your gut.

• #2 Small Intestine Cancer – Diagnosis and Treatment | HCG

  https://www.hcgoncology.com/types-of-cancers/small-intestine-cancer-diagnosis-and-treatment/

  Surgery is a critical component of both the diagnostic and treatment phases of small intestine cancer. It involves the removal of tissue for examination, enabling a definitive diagnosis. Surgical procedures not only provide essential biopsy samples but also play a pivotal role in staging the cancer. […] Laparotomy is a surgical procedure that involves making a large incision in the abdominal wall to gain direct access to the abdominal cavity. In the context of small intestine cancer diagnosis, laparotomy allows surgeons to visually inspect the small intestine, locate tumors, and obtain tissue samples for biopsy. […] Laparoscopy is a minimally invasive surgical technique that involves small incisions and the use of a camera to visualize the abdominal cavity. During small intestine cancer diagnosis, laparoscopy allows for a detailed examination of the small intestine without the need for a large incision. It is particularly helpful to perform targeted biopsies and determine the diseases stage with reduced postoperative recovery time. […] Blood tests are not solely sufficient for the diagnosis of small intestine cancer. Doctors recommend various tests for the diagnosis of bowel cancer, and blood tests are recommended as part of the comprehensive diagnosis.

• #2 Diagnosing Small Intestine Cancer | NYU Langone Health

  https://nyulangone.org/conditions/small-intestine-cancer/diagnosis

  Sometimes doctors use a barium X-ray, also called an upper GI series, to examine the upper digestive tract. […] NYU Langone doctors may order a CT scan, in which cross-sectional images of the body are created using X-rays and a computer. […] Doctors may also recommend an enhanced CT scan, known as a CT enterography. […] An MRI scan uses a magnetic field and radio waves to create two- and three-dimensional images of structures inside the body. […] To get a better look at the gastrointestinal tract, the doctor may ask you to drink a contrast agent just before the MRI.

• #2 Diagnosis of small intestine cancer | Canadian Cancer Society

  https://cancer.ca/en/cancer-information/cancer-types/small-intestine/diagnosis

  A CT scan is used to look for the cause of pain or swelling in the abdomen, such as a tumour in the small intestine. It is also used to see if a small intestine tumour has grown into other organs or the cancer has spread to nearby lymph nodes. […] Enteroclysis is a type of x-ray used to look for a tumour in the small intestine. […] An endoscopy is done to find out what is causing bleeding in the small intestine or to look for a tumour in the small intestine. […] Biopsy of the small intestine is done during an endoscopy, laparotomy or laparoscopy. The doctor removes tissues or cells from the body so they can be tested in a lab. The report from the lab will confirm whether or not cancer cells are present in the sample. […] Doctors may use laparotomy or laparoscopy to examine and collect samples from the small intestine.

• #2 Small Bowel Cancer | Cancer Council

  https://www.cancer.org.au/cancer-information/types-of-cancer/rare-cancers/small-bowel-cancer

  In a capsule endoscopy you swallow a small capsule that takes pictures of your digestive tract. These are then transmitted to a recorder you wear around your waste. The camera is passed out in your stools after about 24 hours. […] Special machines are used to scan and create pictures of the inside of your body. You may have an injection of dye into your veins before the scan which makes the pictures clearer. During the scan you will lie on a table which moves in and out of the scanner. A CT scan takes about 10-30 minutes. […] An MRI scan produces detailed cross-sectional pictures of your body and can show the extent of any tumours. […] Before having the PET scan you will be injected with a small amount of radioactive solutions. […] If your doctor sees any abnormal or unusual-looking areas they may remove a small sample of the tissue for closer examination. This is known as a biopsy. […] For this procedure you will be given a chalky barium liquid to drink which coats the inside of the bowel and can show any signs of cancer when an x-ray is taken.

• #2 Small-Bowel Tumors – Gastrointestinal Disorders – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/gastrointestinal-disorders/tumors-of-the-gastrointestinal-tract/small-bowel-tumors

  Small-bowel cancer accounts for an estimated 12,070 cases and about 2,070 deaths in the United States annually. Diagnosis is by enteroclysis. […] Enteroclysis (sometimes CT enteroclysis) is probably the most common study for mass lesions of the small bowel. Enteroclysis involves administration of contrast into the stomach followed by fluoroscopic imaging via a series of x-rays to visualize intestinal motility and wall abnormalities. CT enteroclysis combines enteroclysis with standard abdominal CT. […] Push endoscopy of the small bowel with an enteroscope may be used to visualize and biopsy tumors. […] Video capsule endoscopy can help identify small-bowel lesions, particularly bleeding sites; a swallowed capsule transmits 2 images/second to an external recorder.

• #2 The Radiology Assistant : Small Bowel Tumors

  https://radiologyassistant.nl/abdomen/bowel/small-bowel-tumors

  The differential diagnosis of small bowel tumors includes many infectious and inflammatory diseases, that all present with focal bowel wall thickening. […] Small bowel tumors can be detected on standard abdominal CT in patients with non-specific symptoms. However if the CT findings are unclear or if a small bowel tumor is suspected clinically, CT-enterography or MRI-enterography or enteroclysis is performed. Both MRI and CT have good performance for the diagnosis of small bowel tumors.

• #2 Small Bowel Cancer – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK560725/

  The pathway to arriving at the diagnosis of small bowel cancer includes significant variability in how tests are completed. […] Endoscopic evaluation of small bowel cancers helps identify mucosal lesions that may not be identified on routine imaging modalities. […] The followings are specific recommendations for small bowel adenocarcinoma according to the National Comprehensive Cancer Network (NCCN). […] Patients who are suspected to be affected by small bowel adenocarcinoma should be exclusively evaluated with comprehensive staging measures, including tissue sampling and pathological examination, CBC, imaging, and endoscopy measures, and specific tumor markers, including carbohydrate antigen 19-9 (CA19-9), and carcinoembryonic antigen (CEA). […] The most commonly used staging system for the majority of small bowel cancers is the TNM staging system. […] The exact type of appropriate segmental resection to pursue depends on the anatomical location of the tumor.

• #2

  https://www.americanoncology.com/cancer-we-treat/diagnosis/small-bowel-cancer

  Upper endoscopy: It is also known as an esophagogastroduodenoscopy. […] Capsule endoscopy: In this procedure, the individual swallows a capsule that has a small camera. […] Double-balloon endoscopy: Upper endoscopy cannot provide a complete view of the small intestine due to the large size of the small intestine (almost 20 feet) and several curves. […] Biopsy: Biopsy is the only procedure that confirms cancer.

• #2

  http://www.bccancer.bc.ca/health-info/types-of-cancer/digestive-system/small-bowel

  Wireless capsule endoscopy: You swallow a small capsule that has a light and a very small camera. The capsule moves through your digestive system and takes thousands of pictures. The camera leaves your body during a bowel movement (going poop). […] Laparotomy: a cut is made into your abdomen so that a doctor can use a camera (laparoscope) to look at your organs. […] What are the types of small bowel cancer? […] Adenocarcinoma: the most common type of small bowel cancer. It starts in the glandular cells in the lining of the small intestine. […] Carcinoid tumours: 30% (30 out of 100) of small bowel cancers are carcinoid tumours. They start in hormone-producing (endocrine) cells in the lining of the small intestine. These can be fast or slow growing cancers. […] Lymphoma: 14% (14 out of 100) of small bowel cancers are lymphomas. Most are non-Hodgkin’s lymphomas.

• #2 Small Bowel Cancer: Alarming Symptoms and Causes, Types, Diagnosis and Treatment – OncoDaily

  https://oncodaily.com/oncolibrary/cancer-types/small-bowel-cancer

  Endoscopy: This procedure allows direct visualization of the small bowel using a flexible tube with a camera. It enables doctors to identify abnormal growths and take tissue samples for biopsy. […] Biopsy: Tissue samples collected during endoscopy or surgery are examined under a microscope to confirm the presence of cancer cells and determine the type of small bowel cancer.

• #2 Small bowel cancer. Booking Health

  https://bookinghealth.com/blog/diagnoses-and-treatment/diagnosis-and-treatment/324995-small-bowel-cancer.html

  The diagnosis of small bowel cancer requires instrumental diagnostics. This includes: […] Biopsy. This is the only reliable way to determine cancer of the small bowel. The sample tissue is taken for histological examination. A biopsy is taken during a vasodilator, enteroscopy or a colonoscopy. During the biopsy, the histological type of the tumor is determined, which determines the treatment tactics. […] Small bowel cancer symptoms are nonspecific. A person may not have any reasons to establish or even suspect a diagnosis. Most likely, the patient will be examined for other more common diseases of the small intestine. During the diagnostic procedures, however, a tumor can be detected.

• #2 Small Intestine Cancer Treatment – NCI

  https://www.cancer.gov/types/small-intestine/patient/small-intestine-treatment-pdq

  Small intestine cancer is a rare disease in which malignant (cancer) cells form in the tissues of the small intestine. […] Tests that examine the small intestine are used to diagnose and stage small intestine cancer. […] Signs and symptoms of small intestine cancer include unexplained weight loss and abdominal pain. […] Procedures that make pictures of the small intestine and the area around it help diagnose small intestine cancer and show how far the cancer has spread. The process used to find out if cancer cells have spread within and around the small intestine is called staging. […] Tests and procedures to stage small intestine cancer are usually done at the same time as diagnosis. […] The prognosis and treatment options depend on the following: The type of small intestine cancer.

• #2 Small bowel cancer – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/small-bowel-cancer/symptoms-causes/syc-20352497

  The type of small bowel cancer you have is based on the type of cell where your cancer began. Examples of small bowel cancer types include: Adenocarcinoma is the most common type of small bowel cancer. Adenocarcinoma starts in the gland cells that make mucus. […] Diagnosis and staging of small bowel neoplasms.

• #2 Epidemiology and clinical features of small bowel neoplasms – UpToDate

  https://www.uptodate.com/contents/epidemiology-and-clinical-features-of-small-bowel-neoplasms

  The diagnosis of small bowel tumors is often difficult due to the rarity of these lesions and the nonspecific and variable nature of the presenting signs and symptoms. Thus, delay in diagnosis is common, which may result in the discovery of disease at a late stage and a poor treatment outcome. […] Diagnosis, staging, and management of small bowel tumors are discussed separately. […] The distribution of histologic types of small bowel malignant tumors is changing, largely because of the increasing incidence of neuroendocrine tumors (NETs). […] In the year 2000, NETs surpassed adenocarcinomas as the most common small bowel tumor reported to the National Cancer Database (NCDB). […] The proportion of patients with NETs increased from 28 to 44 percent, while the proportion of adenocarcinoma decreased from 42 to 33 percent.

• #2 Malignant Neoplasms of the Small Intestine: Practice Essentials, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/282684-overview

  Approximately 64% of all small-bowel tumors are malignant, and approximately 40% of these tumors are adenocarcinomas. […] The overall 5-year survival rate for resectable adenocarcinoma is 20%. A study comparing outcomes for 2123 patients with small-bowel adenocarcinoma and 248,862 patients with colon cancer found the prognosis for small-bowel adenocarcinoma is worse than that for colon cancer, and only surgery improves survival. In contrast to colon cancer, chemotherapy did not improve overall or cancer-specific survival regardless of stage. Predictors of poor survival included advanced age, black race, advanced stage, poor tumor differentiation, high comorbidity index, and distal location. […] The 5-year survival rate for resectable leiomyosarcoma, the most common primary sarcoma of the small intestine, is approximately 50%. Negative surgical margins after surgery improve prognosis.

• #2 Malignant Neoplasms of the Small Intestine: Practice Essentials, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/282684-overview

  Malignant neoplasms of the small bowel are among the rarest types of cancer, accounting for 3.5% of all GI cancers. Research into the natural history and prognosis of patients with small bowel cancer has been limited by the small number of cases and the heterogeneity of tumor types: Small-bowel tumors may be adenocarcinomas, carcinoid tumors, lymphomas, sarcoma (most commonly leiomyosarcoma and more rarely angiosarcoma or liposarcoma), or gastrointestinal stromal tumors (GISTs). Each of these tumor subtypes has its own distinct clinical behavior and, therefore, requires a different treatment approach. […] Unfortunately, malignant lesions of the small bowel are often discovered when they have metastasized to distant sites or at surgery indicated for another diagnosis or intestinal obstruction. Thus, these patients often have in a poor prognosis. The 5-year survival rates of small-intestine cancers by stage are as follows: Stage I – 70%, Stage II – 55%, Stage III – 30%, Stage IV – 5-10%.

• #2 Small Bowel Cancer: Staging and Treatment | OncoLink

  https://www.oncolink.org/cancers/gastrointestinal/small-bowel-cancers/small-bowel-cancer-staging-and-treatment

  Staging looks at the size of the tumor and where it is, and if it has spread to other organs. For small bowel cancer (also called small intestine cancer), tests like barium X-ray, biopsy, endoscopy, CT, MRI, and PET scan may be done to help stage your cancer. […] Staging for small bowel cancer is based on: The size of your tumor on imaging tests. What is found after surgery. Any sign of spread to other organs (metastasis). Surgery to test if your lymph nodes have cancer cells. […] Your healthcare provider will use the results of the tests you have to determine your TNM and combine these to get a stage from 0 (zero) to IV (four). […] Chemotherapy may be given as part of your treatment for small bowel cancer: If your cancer has metastasized (spread) to other parts of your body. After surgery to remove as much of the tumor as possible (called adjuvant therapy).

• #2 Small Intestine Cancer | UPMC Hillman Cancer Center

  https://hillman.upmc.com/cancer-care/colorectal-gi/types/small-intestine

  Stage I the tumor has grown into deeper cells but hasn’t spread to lymph nodes. […] Stage II this stage can be A, B, or C. It depends on how deeply the tumor has grown into the cells. The cancer still hasn’t spread to nearby lymph nodes. […] Stage III this stage can also be A, B, or C, depending on how many lymph nodes the cancer has spread to. […] Stage IV the cancer has spread (metastasized) to distant parts of the body, such as ovary, lung, peritoneum, or liver.

• #2

  http://www.bccancer.bc.ca/health-info/types-of-cancer/digestive-system/small-bowel

  If your cancer has metastasized (spread to other parts of your body), systemic therapy is the main treatment. It tries to control the cancer for as long as possible. It cannot cure the cancer. […] Is there screening for small bowel cancer? […] There is no screening program for small bowel cancer. […] People who are at higher risk of developing small bowel cancer, especially people with Familial Adenomatous Polyposis (FAP), may need to be tested.

• #2 Endoscopic Diagnosis of Small Bowel Tumor

  https://www.mdpi.com/2072-6694/16/9/1704

  Recent technological advances, including capsule endoscopy (CE) and balloon-assisted endoscopy (BAE), have revealed that small intestinal disease is more common than previously thought. Early diagnosis of small intestinal tumors is essential for favorable outcomes. For early diagnosis, after examination of the upper and lower gastrointestinal tract, the possibility of small bowel lesions should be considered in patients with unexplained symptoms and signs, including gastrointestinal bleeding, chronic anemia, abdominal pain, obstructive symptoms, body weight loss, palpable abdominal mass, and fever of unknown origin. […] Each modality has its advantages and disadvantages, and a good combination of multiple modalities leads to an accurate diagnosis since a false negative or false positive result is possible with a single modality alone. […] For early diagnosis, the possibility of small bowel lesions should be considered in patients with unexplained symptoms and signs after examination of the upper and lower gastrointestinal tract.

• #2 New resource for patients with intestinal cancer type most have never heard of before diagnosis – ecancer

  https://ecancer.org/en/news/24740-new-resource-for-patients-with-intestinal-cancer-type-most-have-never-heard-of-before-diagnosis

  New resource for patients with intestinal cancer type most have never heard of before diagnosis. The National Comprehensive Cancer Network (NCCN) today announced publication of new NCCN Guidelines for Patients: Small Bowel Adenocarcinoma. This free resource for people facing cancer and caregivers is focused on a rare cancer type that typically occurs in the small intestine, where routine screening is impossible, even for high-risk individuals. The small amount of patient information that exists for this cancer type tends to combine it with other cancers of the small intestine (such as sarcomas, neuroendocrine tumours, or lymphomas) despite very different treatment approaches and results. The NCCN Guidelines for Patients: Small Bowel Adenocarcinoma are now available for free download at NCCN.org/patientguidelines, thanks to funding from the NCCN Foundation. We appreciate NCCNs commitment to sharing explanations of the latest evidence and expert consensus for common colon and rectal cancers and also for rarer cancers, like those involving the small intestine. This new guidance helps people with small bowel adenocarcinoma understand current treatment standards and know what questions to ask their doctor in order to make more informed decisions about their care. The NCCN Guidelines for Patients are based on the gold standard NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) used by health care providers worldwide to determine the best cancer treatment options for the best results. Treatment differs from that for colon or rectal cancer in several ways, with the role of immunotherapy highlighted for patients with specific genomic profiles. For local (stage IIII) disease, the primary treatment involves surgery, including removal of nearby lymph nodes. Most metastatic patients are treated with systemic therapy. Small bowel adenocarcinoma is more common in people with Lynch syndrome or inflammatory bowel disease. Patients may not be aware that they could have a hereditary risk. If someone with small bowel adenocarcinoma has been demonstrated to have inherited risk, we want to make sure family members get genetic counselling and testing to see if they carry the same risk. NCCN Guidelines for Patients already exist for some of the other cancer types that are found in the intestines, including colon and rectal cancers, neuroendocrine tumours, and gastrointestinal stromal tumours (GIST).

• #2 Small Intestine Cancer – Diagnosis and Treatment | HCG

  https://www.hcgoncology.com/types-of-cancers/small-intestine-cancer-diagnosis-and-treatment/

  The diagnosis and treatment of small intestine cancer demand a multidisciplinary approach. There are a myriad of diagnostic procedures and treatment approaches available for small intestine cancer management. The clinical outcomes and prognosis depend on the stage of diagnosis. Early-stage small intestine cancers have a better prognosis than advanced-stage small intestine cancers. […] Initially, when a patient presents with small intestine cancer symptoms, the doctor will recommend a physical examination and medical history assessment. If the observations from these assessments are alarming, the doctor will recommend further tests, which include endoscopy, imaging, and biopsy. […] Blood tests are crucial in small intestine cancer diagnosis. They include assessments of various markers, providing insights into organ function and potential abnormalities related to the cancer. Doctors recommend blood tests for bowel cancer diagnosis to perform a comprehensive evaluation and monitoring of the disease.

• #2 Small Intestine Cancer | Causes, Symptoms, & Treatment | MedStar Health

  https://www.medstarhealth.org/services/small-intestine-cancer

  Small intestine cancer, also called small bowel cancer, this is one of the most rare forms of GI cancer and can be challenging to detect. […] When cancer is detected in the small intestine, you need an experienced team of gastrointestinal specialists who use the latest diagnostic and treatment approaches that best fit your unique case. […] If you have symptoms of this type of cancer, a gastroenterologist will conduct a physical exam and ask you about your medical history. Then, they may recommend one or several tests, including imaging that may help for diagnosis. […] If these tests confirm cancer, your doctor will also stage the cancer or determine how far it has spread at the same time. […] The following tests and procedures may be used: […] Blood tests, including: […] Imaging tests, including:

• #2 Small Intestine Cancer | Causes, Symptoms, & Treatment | MedStar Health

  https://www.medstarhealth.org/services/small-intestine-cancer

  Biopsies, which removes cells to be analyzed for signs of cancer by a pathologist. […] While staging is important, these tumors are grouped based on the type of small intestine cancer and whether the tumor can be removed by surgery. […] In order to plan treatment, it is important to know the types and whether your tumor can be removed by surgery. […] Your treatment options may vary depending on: […] Surgery is the most common treatment of small intestine adenocarcinomas and leiomyosarcomas. […] Depending on your tumor, your surgeon may perform one of the following types of surgery: […] If the tumor in your small intestine cannot be removed, your radiation oncologist may recommend external radiation therapy to: […] Your care team will include a medical oncologist who will determine if you may benefit from chemotherapy with or without other therapies. […] Your doctor may recommend a therapy or treatment approach for small intestine cancer currently being tested in clinical trials.

• #2 Small Bowel Cancer: Staging and Treatment | OncoLink

  https://www.oncolink.org/cancers/gastrointestinal/small-bowel-cancers/small-bowel-cancer-staging-and-treatment

  Targeted therapies are medications that target something specific to the cancer cells, stopping them from growing and dividing. […] Radiation treatment is the use of high-energy x-rays to kill cancer cells. It may be used after surgery to help get rid of any leftover cancer cells or if there are close surgical margins (the cancer cells were close to the edge of the tissue removed). […] You may be offered a clinical trial as part of your treatment plan.

• #2 Small intestine cancer | EBSCO Research Starters

  https://www.ebsco.com/research-starters/health-and-medicine/small-intestine-cancer

  To stage the cancer, a laparotomy may be performed. In this surgical procedure, the abdomen is opened, and samples are taken to determine how far the cancer has spread. […] Staging is done based on the degree of invasiveness of the tumor, how far the cancer has spread, and whether it can be entirely removed with surgery. […] The preferred treatment for all small intestine cancer is surgical removal of the diseased portion of the bowel. […] This is usually followed by chemotherapy, radiation therapy, or both. […] Immunotherapy has emerged as a promising treatment for small intestine cancer. […] Small intestine cancer is difficult to successfully treat because it is rarely diagnosed at an early stage. […] The American Cancer Society estimates the five-year survival rate for people with small intestine adenocarcinoma is 84 percent when the cancer is localized to the small intestine, 78 percent when the cancer is regional (stages II and III), and 42 percent when the cancer has spread to other distant parts of the body.

• #2 Small Intestine Cancer Treatment – NCI

  https://www.cancer.gov/types/small-intestine/patient/small-intestine-treatment-pdq

  Treatment depends on whether the tumor can be removed by surgery and if the cancer is being treated as a primary tumor or is metastatic cancer. […] Treatment for small intestine cancer may cause side effects. […] Patients may want to think about taking part in a clinical trial. […] Patients can enter clinical trials before, during, or after starting their cancer treatment. […] Follow-up tests may be needed.

• #2 Small Bowel Cancer: Alarming Symptoms and Causes, Types, Diagnosis and Treatment – OncoDaily

  https://oncodaily.com/oncolibrary/cancer-types/small-bowel-cancer

  Early and accurate diagnosis is critical, often involving advanced imaging techniques, endoscopy, and biopsy. […] Accurate diagnosis is crucial for effective treatment planning. Studies show that the combination of imaging tests and endoscopic biopsies can achieve a diagnostic accuracy of up to 90% for small bowel cancers. […] Diagnosis often involves imaging tests like CT scans, endoscopic procedures, and biopsies to identify and stage the cancer. Blood tests and genetic testing may also be used. […] Small bowel cancer diagnosis involves several diagnostic procedures to accurately identify and stage the disease. The primary diagnostic methods include: Imaging tests: CT scans, MRI, and PET scans provide detailed images of the small bowel and surrounding tissues. These tests detect tumors and assess their size and spread.

• #3 Small Intestine Cancer: Understanding the Signs & Symptoms of Tumors in the Small Intestines – Cleveland OH | University Hospitals

  https://www.uhhospitals.org/services/cancer-services/gastrointestinal-cancer/small-intestine-cancer-treatment/about-small-intestine-cancer

  Small intestine cancer is a rare disease in which malignant (cancer) cells form in the tissues of the small intestine. […] Tests that examine the small intestine are used to diagnose and stage small intestine cancer. […] Signs and symptoms of small intestine cancer include unexplained weight loss and abdominal pain. […] Procedures that make pictures of the small intestine and the area around it help diagnose small intestine cancer and show how far the cancer has spread. […] Staging is used to find out how far the cancer has spread, but treatment decisions are not based on stage. […] Tests and procedures to stage small intestine cancer are usually done at the same time as diagnosis. […] Treatment depends on whether the tumor can be removed by surgery and if the cancer is being treated as a primary tumor or is metastatic cancer. […] Treatment for small intestine cancer may cause side effects. […] Patients can enter clinical trials before, during, or after starting their cancer treatment. […] Follow-up tests may be needed.

• #3 Small Bowel Cancer – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK560725/

  Small bowel cancer encompasses a series of malignant lesions that may be identified throughout the small intestine (SI). […] This article will focus on the overall characteristics, diagnostics, treatment, and prognosis of malignant lesions. […] Diagnosis can be variable based on the location of the lesion under investigation and generally consists of laboratory studies, radiographic imaging, and endoscopic evaluation. […] The evaluation and diagnostic process of small bowel cancer consist of laboratory, imaging, and endoscopic evaluations. Unfortunately, the diagnosis is often delayed due to the nonspecific nature of presenting symptoms and low suspicion in evaluating generalized abdominal pain for small bowel cancer. […] Initial workup generally includes an evaluation with complete blood cell count and differential, chemistry studies, and liver function tests.

• #3 Small Intestine Cancer – Diagnosis and Treatment | HCG

  https://www.hcgoncology.com/types-of-cancers/small-intestine-cancer-diagnosis-and-treatment/

  The diagnosis and treatment of small intestine cancer demand a multidisciplinary approach. There are a myriad of diagnostic procedures and treatment approaches available for small intestine cancer management. The clinical outcomes and prognosis depend on the stage of diagnosis. Early-stage small intestine cancers have a better prognosis than advanced-stage small intestine cancers. […] Initially, when a patient presents with small intestine cancer symptoms, the doctor will recommend a physical examination and medical history assessment. If the observations from these assessments are alarming, the doctor will recommend further tests, which include endoscopy, imaging, and biopsy. […] Blood tests are crucial in small intestine cancer diagnosis. They include assessments of various markers, providing insights into organ function and potential abnormalities related to the cancer. Doctors recommend blood tests for bowel cancer diagnosis to perform a comprehensive evaluation and monitoring of the disease.

• #3 Small Bowel Cancer – GI Cancer

  https://gicancer.org.au/cancer/small-bowel-cancer/

  A procedure called an “upper GI series with small bowel follow-through” may be performed. In this case, the individual drinks a solution with the Barium Sulfate and x-rays are taken as the barium travels through the individual’s upper digestive tract and small intestine. […] Alternatively, a CT enterography may be considered. This involves drinking a large volume of contrast (barium or water) and allows better visualisation of small bowel lumen under computed tomography (CT). […] The doctor may use other imaging technologies to see if there is any evidence of cancer. This may include computed tomography/positron emission tomography (CT/PET scans) or Magnetic Resonance Imaging (MRI).

• #3 Diagnosis of small intestine cancer | Canadian Cancer Society

  https://cancer.ca/en/cancer-information/cancer-types/small-intestine/diagnosis

  A CT scan is used to look for the cause of pain or swelling in the abdomen, such as a tumour in the small intestine. It is also used to see if a small intestine tumour has grown into other organs or the cancer has spread to nearby lymph nodes. […] Enteroclysis is a type of x-ray used to look for a tumour in the small intestine. […] An endoscopy is done to find out what is causing bleeding in the small intestine or to look for a tumour in the small intestine. […] Biopsy of the small intestine is done during an endoscopy, laparotomy or laparoscopy. The doctor removes tissues or cells from the body so they can be tested in a lab. The report from the lab will confirm whether or not cancer cells are present in the sample. […] Doctors may use laparotomy or laparoscopy to examine and collect samples from the small intestine.

• #3 Small Intestine Adenocarcinoma > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/small-intestine-adenocarcinoma

  Small intestine cancers are difficult to diagnose. The small intestine is a body part that isnt screened regularly, unlike the colon for which patients undergo regular screening colonoscopies. And people with small intestine cancer often dont notice symptoms until their disease has progressed. […] How is small intestine adenocarcinoma diagnosed? […] The fact that many people dont experience symptoms means that these cancers tend to be discovered late, since doctors arent looking for them. But when there are problems suggestive of the condition, doctors ask questions to learn about the persons medical history and symptoms. […] Diagnostic tests to identify or rule out small intestine cancer include: CT scan or MRI are imaging tests that allow doctors to visually examine internal tissues and organs. Barium X-ray, during which the patient drinks a beverage containing barium, so that abnormal areas within the small intestine will stand out on X-ray images. Capsule endoscopy, during which the patient swallows a pill containing a camera, which is used to examine the inside of the small intestine. Enteroscopy, during which a long, thin tube with a camera on the end is inserted into the mouth or anus, to view the inside of the small intestine; a special balloon attached to the tube is inflated to help move the tube farther along through the intestinal tract. Endoscopic ultrasonography, during which a long, thin tube with an ultrasound device is inserted into the mouth, down the esophagus to the first section of the small intestine; ultrasound waves can show images of the interior of the digestive system. Blood tests to look for cancer markers or other conditions. Fecal occult blood test, which checks for the presence of blood in the stool. […] If doctors see a tumor or other signs of cancer, they must biopsy the tissue to make a formal diagnosis. The biopsy is often done with endoscopy. Sometimes, when the tumor is in a location that isnt reachable by an endoscope, a surgical biopsy is necessary.

• #3 Cancer of the small intestine – symptoms, causes, treatment

  https://medtour.help/disease/small-intestine-cancer/

  However, it is impossible to accurately diagnose a malignant formation in the intestine using the above tests. The only analysis that can definitively determine whether there is a malignant neoplasm and what type it is, is the histological analysis of tissues taken during endoscopic examinations. This is a fairly accurate technique necessary in order to choose the tactics of further actions and select the most effective methods of treatment.

• #3 Malignant Neoplasms of the Small Intestine: Practice Essentials, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/282684-overview

  Malignant neoplasms of the small bowel are among the rarest types of cancer, accounting for 3.5% of all GI cancers. Research into the natural history and prognosis of patients with small bowel cancer has been limited by the small number of cases and the heterogeneity of tumor types: Small-bowel tumors may be adenocarcinomas, carcinoid tumors, lymphomas, sarcoma (most commonly leiomyosarcoma and more rarely angiosarcoma or liposarcoma), or gastrointestinal stromal tumors (GISTs). Each of these tumor subtypes has its own distinct clinical behavior and, therefore, requires a different treatment approach. […] Unfortunately, malignant lesions of the small bowel are often discovered when they have metastasized to distant sites or at surgery indicated for another diagnosis or intestinal obstruction. Thus, these patients often have in a poor prognosis. The 5-year survival rates of small-intestine cancers by stage are as follows: Stage I – 70%, Stage II – 55%, Stage III – 30%, Stage IV – 5-10%.

• #3 How is bowel cancer diagnosed? | Cancer Australia

  https://www.canceraustralia.gov.au/cancer-types/bowel-cancer/how-bowel-cancer-diagnosed

  If you are diagnosed with bowel cancer, you might have more tests to determine the stage of the disease and whether the cancer has spread to other parts of the body. Knowing the stage of the disease helps your medical team plan the best treatment for you. […] Tests to determine the stage of bowel cancer can include: CT, MRI or PET (positron emission tomography) scans, chest X-ray (to see if the cancer has spread to the lungs), surgery to remove the tumour and see how far it has spread within the bowel, lymph node biopsy, blood tests, ultrasound.

• #3

  https://www2.hse.ie/conditions/bowel-cancer/diagnosis/

  For people with cancer in the rectum this can give a clear image of the organs around it. […] After you have had all these tests, it’s usually possible to decide on the stage of your cancer. […] Bowel cancer is also staged by numbers. The stage describes the size of a tumour and how far it has spread.

• #3 Small Bowel Tumours – TeachMeSurgery

  https://teachmesurgery.com/general/small-bowel/small-bowel-tumours/

  Due to the absence of symptoms or non-specific presentations associated with most small bowel neoplasms, such cancers are rarely diagnosed in the outpatient setting. […] For proximal duodenal small bowel tumours, an upper GI endoscopy can be performed, also allowing for histological sample to be obtained via biopsy. […] However, as the majority of patients present with features of bowel obstruction, often the diagnosis (or suspicion raised) is made via CT imaging, especially if the tumour is large. […] Any symptomatic benign small bowel tumour should be resected if feasible, either endoscopically or surgically. […] For local small bowel adenocarcinomas, surgical resection is the only definitive treatment. […] Approximately 35% of patients diagnosed with small bowel adenocarcinoma have stage IV disease (distant metastatic) at presentation. […] At the time of diagnosis, around 70% of patients with a small bowel adenocarcinoma have potentially resectable disease.

• #3 Epidemiology and clinical features of small bowel neoplasms – UpToDate

  https://www.uptodate.com/contents/epidemiology-and-clinical-features-of-small-bowel-neoplasms

  The diagnosis of small bowel tumors is often difficult due to the rarity of these lesions and the nonspecific and variable nature of the presenting signs and symptoms. Thus, delay in diagnosis is common, which may result in the discovery of disease at a late stage and a poor treatment outcome. […] Diagnosis, staging, and management of small bowel tumors are discussed separately. […] The distribution of histologic types of small bowel malignant tumors is changing, largely because of the increasing incidence of neuroendocrine tumors (NETs). […] In the year 2000, NETs surpassed adenocarcinomas as the most common small bowel tumor reported to the National Cancer Database (NCDB). […] The proportion of patients with NETs increased from 28 to 44 percent, while the proportion of adenocarcinoma decreased from 42 to 33 percent.

• #3

  http://www.bccancer.bc.ca/health-info/types-of-cancer/digestive-system/small-bowel

  Sarcoma: 11% (11 out of 100) of small intestine cancers are sarcomas. […] Gastrointestinal Stromal Tumour (GIST): GISTs start in cells that are part of the autonomic nervous system in the wall of the small intestine. About 50 people are diagnosed with GIST in B.C. each year. It is very rare. […] What is the treatment for small bowel cancer? […] Cancer treatment may be different for each person. It depends on your particular cancer. Your treatment may be different from what is listed here. […] Here is information on how we treat the most common types of small bowel cancer: […] Adenocarcinomas […] Usually removed by surgery if it has not spread to another part of your body. […] If the cancer cannot be removed, you may have surgery to help with a blockage or to stop bleeding. […] After surgery to remove the cancer, you may have systemic therapy (chemotherapy). This is called adjuvant systemic therapy. It may increase the chance of cure for people with localized cancer (cancer that has not spread).

• #3 Small Bowel Cancer: Staging and Treatment | OncoLink

  https://www.oncolink.org/cancers/gastrointestinal/small-bowel-cancers/small-bowel-cancer-staging-and-treatment

  Targeted therapies are medications that target something specific to the cancer cells, stopping them from growing and dividing. […] Radiation treatment is the use of high-energy x-rays to kill cancer cells. It may be used after surgery to help get rid of any leftover cancer cells or if there are close surgical margins (the cancer cells were close to the edge of the tissue removed). […] You may be offered a clinical trial as part of your treatment plan.

• #3 Small Bowel Cancer: Alarming Symptoms and Causes, Types, Diagnosis and Treatment – OncoDaily

  https://oncodaily.com/oncolibrary/cancer-types/small-bowel-cancer

  Early and accurate diagnosis is critical, often involving advanced imaging techniques, endoscopy, and biopsy. […] Accurate diagnosis is crucial for effective treatment planning. Studies show that the combination of imaging tests and endoscopic biopsies can achieve a diagnostic accuracy of up to 90% for small bowel cancers. […] Diagnosis often involves imaging tests like CT scans, endoscopic procedures, and biopsies to identify and stage the cancer. Blood tests and genetic testing may also be used. […] Small bowel cancer diagnosis involves several diagnostic procedures to accurately identify and stage the disease. The primary diagnostic methods include: Imaging tests: CT scans, MRI, and PET scans provide detailed images of the small bowel and surrounding tissues. These tests detect tumors and assess their size and spread.

• #4

  http://www.bccancer.bc.ca/health-info/types-of-cancer/digestive-system/small-bowel

  If your cancer has metastasized (spread to other parts of your body), systemic therapy is the main treatment. It tries to control the cancer for as long as possible. It cannot cure the cancer. […] Is there screening for small bowel cancer? […] There is no screening program for small bowel cancer. […] People who are at higher risk of developing small bowel cancer, especially people with Familial Adenomatous Polyposis (FAP), may need to be tested.

Zobacz więcej