Materiały źródłowe

• #1 Gastritis – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK544250/

  Gastritis is a medical condition characterized by inflammation of the stomach lining. The current classification of gastritis is based on time course (acute versus chronic), histological features, anatomical distribution, and the underlying pathophysiological mechanisms. […] Screening guidelines for evaluating patients with dyspepsia to identify iron-deficiency anemia facilitate the early detection of gastritis and its progression to premalignant atrophy and dysplasia. […] Histopathological evidence of inflammation in the stomach lining is essential to diagnose this condition. […] Appropriate histological evaluation is also essential in devising management plans for this disease. […] The diagnosis of gastritis primarily relies on histopathological examination of gastric biopsies. […] Endoscopy, and biopsy are the gold standards for diagnosing gastritis, as they help identify the distribution, severity, and underlying cause.

• #1 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Gastritis-Diagnosis.aspx

  Gastritis refers to a group of disorders characterized by inflammation of the stomach lining. […] Diagnosing gastritis is therefore important so that treatment can be arranged and the condition managed as soon as possible. […] Gastritis can be diagnosed based on a physical examination and the patients account of their symptoms. However, certain tests may also be required to help establish the exact cause of the condition. […] A doctor obtains a full medical history that should cover the use of any non-steroidal anti-inflammatory drugs (NSAIDs) or alcohol intake. […] A gastroscopy may be performed, which is a type of upper gastrointestinal endoscopy. The procedure involves an endoscope being inserted into the patients stomach to examine the internal walls of the esophagus and stomach. This procedure is often used to confirm a diagnosis.

• #1 Understanding Gastritis

  https://lakecountyin.gov/departments/health/nursing-clinic/diseases-and-conditions/gastrointestinal/understanding-gastritis

  Diagnosing gastritis involves a combination of medical history, physical examination, and diagnostic tests: […] 1. Medical History and Physical Examination: – Assessment: Discussing symptoms, medical history, medication use, and lifestyle factors. Physical examination may involve palpation of the abdomen to assess tenderness. […] 2. Diagnostic Tests: – Endoscopy: An endoscopic procedure where a flexible tube with a camera is inserted through the mouth to examine the stomach lining and obtain biopsy samples if needed. – Stool Tests: To check for blood in the stool, which can indicate bleeding in the stomach. – Blood Tests: To assess for anemia, infection, or other underlying conditions. – Breath Test: To detect the presence of H. pylori bacteria. – Imaging Studies: Rarely required but may include abdominal X-rays or CT scans to rule out other conditions.

• #1 Gastritis: What It Is, Symptoms, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/10349-gastritis

  Gastritis is inflammation in the lining of your stomach. […] Gastritis happens when your immune system detects a threat to this barrier. Your immune system triggers inflammation in the tissues to help fight infections and promote healing. […] Gastritis may not cause any noticeable symptoms. If it does, it may mean that its more severe or its been going on for a long time. Symptoms may happen when your stomach lining is worn down enough that it cant defend itself against its own acids and enzymes anymore. […] A healthcare provider will start by asking you about your symptoms and health history. They might suspect gastritis based on your answers, but they wont know for sure if you have it without testing for it. […] The real proof of gastritis is microscopic, so a healthcare provider will need a tissue sample to confirm it. […] Chronic gastritis doesn’t go away by itself, but treatment can help it go away. […] Curing chronic gastritis requires professional care. The treatment will depend on the cause.

• #1 Acute Gastritis Workup: Laboratory Studies, Imaging Studies, Other Tests

  https://emedicine.medscape.com/article/175909-workup

  Laboratory tests ordered in cases of suspected gastritis including the following: […] Complete blood cell (CBC) count to assess for anemia, as acute gastritis can cause gastrointestinal bleeding […] A number of H pylori tests are available. These tests are classified as either nonendoscopy or endoscopy based. […] The RUT is performed by placing a gastric biopsy specimen, obtained at endoscopy, onto a gel- or membrane-containing urea and a pH-sensitive indicator. If H pylori is present, the bacterial urease hydrolyzes urea and changes the color of the media. The sensitivity and specificity of this test is greater than 90%. […] Histologic examination of a biopsy specimen can help in establishing the etiologic agent of gastritis. […] As mentioned earlier, H pylori can be found by histologic staining of a gastric mucosal biopsy specimen. It has a sensitivity and specificity of greater than 90%.

• #1 Gastritis – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/gastritis/diagnosis-treatment/drc-20355813

  During an upper endoscopy, a healthcare professional inserts a thin, flexible tube equipped with a light and camera down the throat and into the esophagus. The tiny camera provides a view of the esophagus, stomach and the beginning of the small intestine, called the duodenum. […] Your healthcare professional is likely to suspect gastritis after talking to you about your medical history and performing an exam. However, you also may have one or more of the following tests to find the exact cause. […] Your healthcare professional may recommend tests such as a stool test or breath test to determine whether you have H. pylori. Which type of test you have depends on your situation. […] Endoscopy is a procedure to examine the digestive system with a long, thin tube with a tiny camera, called an endoscope. The endoscope passes down the throat, into the esophagus, stomach and small intestine. Using the endoscope, your healthcare professional looks for signs of inflammation. Depending on your age and medical history, your healthcare professional may recommend this as a first test instead of testing for H. pylori.

• #1 Diagnosis and management of atrophic gastritisAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-atrophic-gastritis/

  4. When endoscopic features of atrophic gastritis are present, providers should assess the extent endoscopically. Providers should obtain biopsies from the suspected atrophic/metaplastic areas for histopathological confirmation and risk stratification; at a minimum, biopsies from the body and antrum/incisura should be obtained and placed in separately labeled jars. Targeted biopsies should additionally be obtained from any other mucosal abnormalities. […] 5. In patients with histology compatible with autoimmune gastritis, providers should consider checking antiparietal cell antibodies and anti-intrinsic factor antibodies to assist with the diagnosis. Providers should also evaluate for anemia due to vitamin B-12 and iron deficiencies. […] 6. All individuals with atrophic gastritis should be assessed for H pylori infection. If positive, treatment of H pylori should be administered and successful eradication should be confirmed using nonserological testing modalities.

• #1 Diagnosis of Gastritis & Gastropathy – NIDDK

  https://www.niddk.nih.gov/health-information/digestive-diseases/gastritis-gastropathy/diagnosis

  Your doctor will ask about your medical history, symptoms, and any medicines you take. Your doctor will also perform a physical exam and may order an upper gastrointestinal (GI) endoscopy with biopsies or other tests. […] Doctors may use upper GI endoscopy to diagnose gastritis or gastropathy, determine the cause, and manage complications. […] Your doctor may order an upper GI endoscopy with biopsies to diagnose gastritis and gastropathy. […] Doctors may use blood tests to check for other causes of gastritis or signs of complications. […] Doctors may use stool tests to check for H. pylori infection and for blood in your stool, a sign of bleeding in your stomach. […] Doctors may use a urea breath test to check for H. pylori infection. […] Doctors may use an upper GI series to check for signs of gastritis or gastropathy.

• #1 Gastritis Diagnosis & Treatment – Allied Digestive Health

  https://allieddigestivehealth.com/conditions-and-diseases/gastritis/

  What Is Gastritis? Everyone’s stomach has a coated, protective lining. Stomach acid and bile do not typically damage this thick lining, but if the stomach lining does become inflamed or irritated, it is a condition known as gastritis. Many different risk factors can lead to gastritis; some risk factors are related to lifestyle choices, while others are related to issues such as surgery or autoimmune disorders. […] How Is Gastritis Diagnosed? Your healthcare provider will provide a consultation and physical exam, and based upon your symptoms, may order diagnostic testing. Because H. pylori are one of the primary causes of gastritis, many of these tests look for this bacteria. Testing for gastritis includes: […] H. pylori breath test. During a breath test, you will swallow a urea capsule (a harmless, radioactive pill) and then breathe into a balloon. If H. pylori are present in your system, the carbon dioxide in the balloon will increase.

• #1 Gastritis Diagnosis & Treatment – Allied Digestive Health

  https://allieddigestivehealth.com/conditions-and-diseases/gastritis/

  Stool test. After you provide a stool sample, the sample is tested for H. pylori. […] Blood test. Unlike a CBC, this test specifically looks for antibody titers (these fight H. pylori infection). […] Upper endoscopy. This is an outpatient surgical procedure where your physician will insert a long, thin tube into your mouth and down your throat into your esophagus. The tube has a tiny camera on it and gives the doctor a birds-eye view of your stomach. […] Upper GI series. For an upper GI test, you will swallow barium (also known as contrast) and have an X-ray. If there are abnormalities in your stomach lining, your physician should be able to detect them via this test.

• #1 Top Functional Medicine Lab Tests for Gastritis Patients

  https://www.rupahealth.com/post/top-functional-medicine-lab-tests-for-gastritis-patients

  Stool antigen testing has high sensitivity and specificity to detect active H. Pylori infection. This is the most common cause of gastritis, so ruling in or out H.Pylori is important. […] If there is evidence on endoscopy of cell changes suggesting autoimmune disease, antibodies to intrinsic factor, a protein required for your intestines to absorb vitamin B12, can be tested. The presence of these antibodies indicates autoimmune gastritis. […] Significant stress can cause changes in the production of cortisol, our body’s major stress hormone. A salivary cortisol curve can show the daily pattern, helping to highlight whether shifts in cortisol production have occurred. […] In addition, testing to evaluate nutritional status, particularly in relation to vitamin B12, iron, calcium, magnesium, and zinc, would make sense in cases of chronic gastritis, as the damage in severe gastritis may impair the absorption of these nutrients.

• #1 Chronic Gastritis | Symptoms, Diagnosis and Treatment | CUN

  https://www.cun.es/en/diseases-treatments/diseases/chronic-gastritis

  Chronic gastritis is a risk factor for stomach cancer. In patients with a family history of gastric cancer or in those whose biopsy results show pre-malignant cell changes, we recommend endoscopic follow-up. […] Chronic gastritis is the non-specific inflammation of the gastric mucosa, of multiple etiology and diverse pathogenic mechanisms. […] The differential diagnosis of chronic gastritis should be made with duodenal ulcer, hiatus hernia, biliary lithiasis, chronic pancreatitis and irritable bowel syndrome. The gastroscopy allows to observe the gastric mucosa suggesting the diagnosis of gastritis and discards other diagnostic possibilities. The diagnosis of certainty is achieved with the histological study of the biopsy obtained by endoscopy. It informs us of the morphology of gastritis and the presence or absence of helicobacter pylori. […] To detect Helicobacter pylori, anti-Helicobacter pylori antibodies, a breath test with marked urea, a rapid urease test and microbiological culture can be performed on a biopsy sample.

• #1 Diagnosis and management of atrophic gastritisAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-atrophic-gastritis/

  7. The optimal endoscopic surveillance interval for patients with atrophic gastritis is not well-defined and should be decided based on individual risk assessment and shared decision making. A surveillance endoscopy every 3 years should be considered in individuals with advanced atrophic gastritis, defined based on anatomic extent and histologic grade. […] 8. The optimal surveillance interval for individuals with autoimmune gastritis is unclear. Interval endoscopic surveillance should be considered based on individualized assessment and shared decision making. […] 9. Providers should recognize pernicious anemia as a late-stage manifestation of autoimmune gastritis that is characterized by vitamin B-12 deficiency and macrocytic anemia. Patients with a new diagnosis of pernicious anemia who have not had a recent endoscopy should undergo endoscopy with topographical biopsies to confirm corpus-predominant atrophic gastritis for risk stratification and to rule out prevalent gastric neoplasia, including neuroendocrine tumors.

• #1 Gastritis | Sonic Bookings

  https://www.sonicbookings.com.au/our-tests/helicobacter-pylori-breath-test/gastritis/

  Histopathologic assessment of biopsy specimens is the cornerstone of gastritis diagnosis. Clinical symptoms of gastritis may be subtle or absent, and endoscopic appearance alone has been shown to have poor correlation with the presence or absence of non-atrophic helicobacter gastritis. […] For this reason, at least one biopsy should be submitted from both the antrum and body regions to definitively confirm or rule out the presence of gastritis. […] The typical early histologic changes of helicobacter gastritis are highly characteristic. A heavy band-like plasma cell infiltrate in the superficial mucosa, accompanied by foci of neutrophil infiltration (active chronic gastritis), indicates a diagnosis of H. pylori gastritis unless proven otherwise. […] Histologic diagnosis of AIG is relatively straightforward during the phase of active inflammation. Biopsies will show variably heavy chronic inflammation limited to the body type mucosa, interspersed with foci of atrophy and metaplasia.

• #1 Diagnosis of Gastritis – Review from Early Pathological Evaluation to Present Day Management | IntechOpen

  https://www.intechopen.com/chapters/41544

  The Sydney System declared the routine biopsy sampling protocol, the number of biopsies should be taken, the biopsies proper localisation (two from antrum and two from corpus, both from anterior and posterior walls) and sample fixation in adequately labelled separate containers. […] The updated system categorised chronic gastritis into non-atrophic and atrophic forms with the latter divided into autoimmune (diffuse corpus atrophy) and multifocal. […] The recommendations contain that conventional white light endoscopy cannot accurately differentiate between and diagnose pre-neoplastic gastric conditions/lesions. […] Patients with extensive atrophy and/or extensive intestinal metaplasia should be offered endoscopic surveillance every 3 years. […] This review critically offers and emphasizes the necessity of an international consensus meeting, which will establish a more uniform classification of gastritis respecting the wider multidisciplinary aspects.

• #1 Diagnosis and management of atrophic gastritisAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-atrophic-gastritis/

  10. Individuals with autoimmune gastritis should be screened for type 1 gastric neuroendocrine tumors with upper endoscopy. Small neuroendocrine tumors should be removed endoscopically, followed by surveillance endoscopy every 1–2 years, depending on the burden of neuroendocrine tumors. […] 11. Providers should evaluate for iron and vitamin B-12 deficiencies in patients with atrophic gastritis irrespective of etiology, especially if corpus-predominant. Likewise, in patients with unexplained iron or vitamin B-12 deficiency, atrophic gastritis should be considered in the differential diagnosis and appropriate diagnostic evaluation pursued. […] 12. In patients with autoimmune gastritis, providers should recognize that concomitant autoimmune disorders, particularly autoimmune thyroid disease, are common. Screening for autoimmune thyroid disease should be performed.

• #1 Pathology Outlines – Gastritis-features to report

  https://www.pathologyoutlines.com/topic/stomachgastritisfeatures.html

  Features to report by international protocols […] Updated Sydney system (based on topography, morphology and etiology) (Am J Surg Pathol 1996;20:1161) […] Operative link for gastritis assessment (OLGA / OLGIM staging system) (based on atrophy or intestinal metaplasia) (Dig Liver Dis 2011;43:S373) […] Chronic and active gastritis should be graded as mild, moderate and marked […] The presence and extent of intestinal metaplasia (IM) should be documented […] H. pylori should be reported as present or absent […] Dysplasia if present should be graded as low or high grade […] If H. pylori is found in the biopsy, then it should be incorporated in the report as it is the major cause of gastritis; however, if the organism cannot be found in the specimen but has a positive serology test or urea breath test, then a diagnosis of chronic gastritis without any further qualification is warranted

• #1 Gastritis – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK544250/

  The evaluation of gastritis should follow a stepwise process. […] The diagnosis of autoimmune gastritis is based on laboratory and histological examinations, which typically involve the following criteria: Evidence of atrophic gastritis affecting the gastric corpus (body) and fundus; The presence of autoantibodies against the intrinsic factor and parietal cells; Serum pepsinogen I levels; The ratio of pepsinogen I to pepsinogen II. […] Recognizing pernicious anemia as a late manifestation of autoimmune gastritis is crucial. […] The pivotal aspect in treating patients with atrophic gastritis is the application of risk stratification systems to assess the severity of the disease and determine the risk of gastric malignancies.

• #1

  https://link.springer.com/article/10.1007/s11938-020-00298-8

  The need to distinguish between the two is crucially related to the different cancer risk associated with these two histological variants. […] Gastric mucosal atrophy is recognized as the cancerization field in which more than 90% of gastric epithelial malignancies will eventually develop. […] Consistent with this approach, histological gastritis staging has proved a reliable predictor of gastric cancer risk. […] In East Asian countries, the extent of atrophy and its associated cancer risk continues to be assessed endoscopically according to the Kimura-Takemoto classification. […] In the Western world, a biopsy-based assessment is recommended (Maastricht V, MAPS guidelines). […] OLGA (Operative Link for Gastritis Assessment) is a validated staging system that considers both the atrophy score and the compartment (oxyntic versus mucosecreting) from which the biopsy samples were obtained.

• #1

  https://link.springer.com/article/10.1007/s11938-020-00298-8

  The combined antral and oxyntic scores result in a gastritis stage (from 0 to IV) indicating the risk of malignancy. […] Whenever possible, histological staging should be complemented with etiological information, reference to clinical parameters, and other diagnostic details. […] Leaving aside the etiology of gastritis, a histology report plainly expressing the level of alarm related to the severity of atrophic disease (and its associated cancer risk, in particular) could contribute to generating treatment and follow-up protocols tailored to individual patients clinical needs. […] In patients with advanced atrophic changes (high-risk OLGA/OLGIM stages III/IV), regular endoscopic follow-up serves the fundamental purpose of a reliable secondary gastric cancer prevention strategy. […] The high risk of cancer developing in such cases enables us to identify patients early enough in their progression to gastric malignancy for timely intervention, which involves endoscopic resection of crucial areas of the stomach showing signs of early gastric cancer.

• #1 Update understanding on diagnosis and histopathological examination of atrophic gastritis: A review

  https://www.wjgnet.com/1948-5204/full/v16/i10/4080.htm

  To determine the autoimmune basis of gastric atrophy, physicians should also test for parietal cell antibodies and internal factor antibodies in patients whose histology is consistent with CAAG. […] The endoscopic diagnosis of CAG can be difficult as the visual appearance of some of the disease’s features could be subtle. […] Understanding the characteristic patterns of gastric mucosa involvement in H. pylori CAG and CAAG is clinically crucial. […] The updated Sydney system recommends five biopsies at standard stomach sites, as does the recent Operative link for gastritis assessment (OLGA) and an OLGIM Gastritis Evaluation System. […] Since CAG patients are at an increased risk of GC development, it is important to assess their severity. […] The OLGA staging system grades gastritis from Stage 0 to Stage IV based on the severity and extent of the spread of atrophic-metaplastic changes. […] Despite being considered an important tool for CAG diagnosis and differential diagnosis, endoscopic techniques can only provide images of the surface of the GI mucosa.

• #1 Pathology Outlines – Gastritis-features to report

  https://www.pathologyoutlines.com/topic/stomachgastritisfeatures.html

  Corpus predominant gastritis and atrophy without any accompanying metaplasia or atrophy in the antrum favors the diagnosis of autoimmune gastritis; however, final diagnosis should be confirmed with a clinicopathological correlation […] The average intestinal metaplasia (IM) in antrum is (80+65+70/3) 72%. Average IM in body is (0+25/2) 12.5%. Using the OLGIM chart, the patient has marked IM (grade 3) in antrum and mild IM (grade I) in body; hence, he has stage III OLGIM. Patients with OLGIM stage III or IV have a higher risk of progression to gastric cancer. The ESGE 2019 and Academy of Medicine, Singapore clinical guidelines recommend endoscopic surveillance every 3 years for such patients.

• #1 Diagnosis and management of atrophic gastritisAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-atrophic-gastritis/

• #1 Gastritis – Symptoms, diagnosis and treatment | BMJ Best Practice

  https://bestpractice.bmj.com/topics/en-gb/816

  Autoimmune gastritis is a diffuse form of mucosal atrophy characterised by auto-antibodies to parietal cells and intrinsic factor resulting in inflammatory infiltration and atrophy of the corpus mucosa. […] Phlegmonous gastritis is a rare but life-threatening infection of the gastric submucosa and muscularis propria seen in immunocompromised patients. […] Key diagnostic factors include presence of risk factors, dyspepsia/epigastric discomfort, and no suspicious features of malignancy. […] Diagnostic investigations include Helicobacter pylori urea breath test, H pylori faecal antigen test, and FBC. […] Investigations to consider include endoscopy, H pylori rapid urease test, gastric mucosal histology, serum vitamin B12, upper GI contrast series, blood/fluid cultures, parietal cell antibodies, and intrinsic factor antibodies. […] Emerging tests include H pylori culture/polymerase chain reaction (PCR).

• #1 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Gastritis-Diagnosis.aspx

  Blood tests may be carried out to check blood cell counts and the function of the liver, kidneys, gall bladder and pancreas. […] Tests for H. pylori are carried out. […] If initial testing indicates an absence of H. pylori, and the use of NSAIDs or alcohol is suspected as a cause of the gastritis, the patient is taken off NSAIDs or told to stop drinking and therapy is prescribed to relieve symptoms. […] In cases where gastritis related to an autoimmune condition is suspected, tests to assess the serum vitamin B12 and autoantibody level are arranged. […] Phlegmonous gastritis which occurs as the result of peptic ulcer, systemic infection, surgery, cancer, or other serious stress can be confirmed by performing a plain upper GI series or computed tomography.

• #1

  https://journals.lww.com/md-journal/fulltext/2018/05040/diagnosis_and_treatment_of_acute_phlegmonous.42.aspx

  An early diagnosis of PG is difficult due to the nonspecific nature of its clinical manifestations, including acute abdominal disease, sudden onset of abdominal pain, high fever, chills, nausea, and vomiting. Thus, differentiating PG from an acute abdomen (e.g., perforation peritonitis, acute cholecystitis, and acute pancreatitis) is necessary. […] Acute PG has an extremely high mortality rate, and the key to successful treatment is early diagnosis and treatment. […] Once acute PG is detected, antibiotic treatment is important, but if this treatment fails, surgery should be performed immediately to improve the prognosis.

• #1 Acute Gastritis Workup: Laboratory Studies, Imaging Studies, Other Tests

  https://emedicine.medscape.com/article/175909-workup

  The diagnosis of H heilmannii is improved by using smears with Giemsa or Warthin-Starry silver stains than by gastric biopsy specimens via observation of a distinct morphology. […] In ulcero-hemorrhagic gastritis, the epithelium appears eroded with edema and hemorrhage but typically little inflammation. […] In eosinophilic gastritis, a prominent eosinophilic infiltrate is present in the gastric wall or epithelium. Distribution can be patchy, so multiple biopsy specimens should be obtained during endoscopy.

• #1 Eosinophilic Gastritis: Symptoms, Treatment & Causes

  https://my.clevelandclinic.org/health/diseases/23571-eosinophilic-gastritis

  Eosinophilic gastritis (EG) is a rare disease that affects your stomach. […] It is typically diagnosed based on blood work (high eosinophil count), changes in the stomach on endoscopy and looking at tiny specimens from the stomach under the microscope. […] To diagnose EG, your healthcare provider: Does a physical exam. Asks you about your medical history. Orders blood tests, including a complete blood count, to detect abnormalities and help rule out other conditions. […] Other tests your healthcare provider may order include: Upper endoscopy can confirm an EG diagnosis. Your provider uses a small tube with a tiny camera to examine parts of your stomach, esophagus and small intestine. […] Biopsy is when your healthcare provider removes a small tissue portion to confirm a diagnosis. A biopsy occurs during an endoscopy. After the biopsy, a pathologist analyzes the samples in a laboratory. If the eosinophil count is higher than the normal count, this can indicate eosinophilic gastritis.

• #1 Eosinophilic Gastritis (EG) | Symptoms, Diagnosis & Treatment

  https://www.cincinnatichildrens.org/health/e/eosinophilic-gastritis

  Eosinophilic gastritis (EoG) is a rare disease of the stomach. […] Your childs doctor may do some tests to find out if there are eosinophils in the stomach. These tests include an endoscopy. […] A doctor will look at these in order to diagnose EoG: Symptoms, Medical history, What the doctor saw during the scope, Pathology report (eosinophil levels, what the tissue samples look like). […] EoG cannot be diagnosed on eosinophil levels alone. […] Having routine scopes with tissue samples is needed to check EoG and to see if the treatment is working.

• #1 Gastritis – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/gastritis/diagnosis-treatment/drc-20355813

  If a suspicious area is found, your healthcare professional may remove small tissue samples, called a biopsy, to test in a lab. A biopsy also can identify the presence of H. pylori in your stomach lining. […] X-rays can create images of your esophagus, stomach and small intestine to look for anything unusual. You may have to swallow a white, metallic liquid that contains barium. The liquid coats your digestive tract and makes an ulcer more visible. This procedure is called a barium swallow. […] If your healthcare professional thinks that you might have gastritis, you may be referred to a doctor who specializes in digestive disorders, called a gastroenterologist. […] Should I be tested for H. pylori, or do I need an endoscopy? […] What tests do I need?

• #1 Gastritis: Symptoms, Causes, Treatments, and More

  https://www.webmd.com/digestive-disorders/digestive-diseases-gastritis

  Gastritis Tests: To diagnose gastritis, your doctor will review your personal and family medical history and do a physical exam. They may also recommend any of the following tests: Upper gastrointestinal (GI) series or barium swallow. This is an X-ray that gives your doctor a look at the upper part of your digestive system. Before the X-ray, you swallow a chalky liquid called barium. It coats your organs to help your doctor see them. It can reveal whether there’s erosion in your stomach lining. […] Upper endoscopy. An endoscope, a thin tube containing a tiny camera, is inserted through your mouth and down into your stomach to check your stomach lining for signs of inflammation. At the same time, they may also do a biopsy, in which they remove a tiny sample of tissue and send it to a lab for analysis.

• #1 Atrophic Body Gastritis: Clinical Presentation, Diagnosis, and Outcome

  https://www.emjreviews.com/gastroenterology/article/atrophic-body-gastritis-clinical-presentation-diagnosis-and-outcome/

  The timely diagnosis of AG is clinically important. The potential micronutrient deficiencies, for example malabsorption of iron and vitamin B12, associated with AG may lead to serious clinical consequences, such as severe chronic anaemia. […] AG increases the risk for GC and Type 1 gastric carcinoids. […] In Western countries, the gold standard for AG diagnosis is the histopathological evaluation of gastric biopsies, which should include at least five biopsy specimens from antral and body mucosa. […] A non-endoscopical diagnostic approach for AG diagnosis is represented by the serological gastric biopsy, including serum pepsinogen I and II and gastrin as well as H. pylori antibodies. […] PCA may be considered serological markers of AG, whose potential role in the non-invasive screening or diagnosis is underestimated.

• #1 Chronic Gastritis Symptoms: Causes & Treatments | Ada Health

  https://ada.com/conditions/chronic-gastritis/

  Chronic gastritis can lead to a change in the stomach lining known as intestinal metaplasia (IM). This is when the cells in the stomach change and become more like the cells in the intestine. IM is associated with an increased risk of cancer, but the risk still remains low. […] Currently, there is no treatment available that will cure autoimmune chronic gastritis. However, the vitamin B12 and iron deficiencies that it often causes can be treated with supplements, in the form of tablets, shots, or intravenous infusions. […] Follow-up endoscopies may be recommended to monitor the development of atrophic gastritis and to detect any early signs of gastric cancer which will allow to then treat it as soon as possible with the best possible outcome.

• #1 Diagnosis and Management of Atrophic Gastritis: Clinical Practice Update From the American Gastroenterological Association – Endoscopy Campus

  https://www.endoscopy-campus.com/en/ec-news/diagnosis-and-management-of-atrophic-gastritis-clinical-practice-update-from-the-american-gastroenterological-association/

  Patients with AG should be assessed and, if positive, treated for H Pylori, followed by confirmation of eradication. […] Surveillance every 3 years with EGD should be considered in patients with advanced AG (based on histologic grade and extent). […] The surveillance interval for AIG should be based on individualized assessment and shared decision-making. […] Pernicious anemia is a late manifestation of AIG. […] In newly diagnosed patients, endoscopic regional biopsies should be performed to confirm corpus-predominant AG for risk stratification and to rule out prevalent gastric neoplasia, including neuroendocrine tumors (NETS). […] Patients with AIG should be screened for type 1 NETs, and NETS 1 cm should be resected. […] Endoscopic surveillance should be performed every 1 to 2 years. […] Vitamin B12 and iron levels should be checked in patients with AIG. […] Likewise, the diagnosis of AIG should be entertained in patients with vitamin B12 and/or iron deficiency. […] These authors have highlighted the importance of the recognition, diagnosis, and management of AG.

• #2 Gastritis: What It Is, Symptoms, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/10349-gastritis

  Gastritis is inflammation in the lining of your stomach. […] Gastritis happens when your immune system detects a threat to this barrier. Your immune system triggers inflammation in the tissues to help fight infections and promote healing. […] Gastritis may not cause any noticeable symptoms. If it does, it may mean that its more severe or its been going on for a long time. Symptoms may happen when your stomach lining is worn down enough that it cant defend itself against its own acids and enzymes anymore. […] A healthcare provider will start by asking you about your symptoms and health history. They might suspect gastritis based on your answers, but they wont know for sure if you have it without testing for it. […] The real proof of gastritis is microscopic, so a healthcare provider will need a tissue sample to confirm it. […] Chronic gastritis doesn’t go away by itself, but treatment can help it go away. […] Curing chronic gastritis requires professional care. The treatment will depend on the cause.

• #2 Gastritis – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/gastritis/diagnosis-treatment/drc-20355813

  During an upper endoscopy, a healthcare professional inserts a thin, flexible tube equipped with a light and camera down the throat and into the esophagus. The tiny camera provides a view of the esophagus, stomach and the beginning of the small intestine, called the duodenum. […] Your healthcare professional is likely to suspect gastritis after talking to you about your medical history and performing an exam. However, you also may have one or more of the following tests to find the exact cause. […] Your healthcare professional may recommend tests such as a stool test or breath test to determine whether you have H. pylori. Which type of test you have depends on your situation. […] Endoscopy is a procedure to examine the digestive system with a long, thin tube with a tiny camera, called an endoscope. The endoscope passes down the throat, into the esophagus, stomach and small intestine. Using the endoscope, your healthcare professional looks for signs of inflammation. Depending on your age and medical history, your healthcare professional may recommend this as a first test instead of testing for H. pylori.

• #2 Gastritis: Symptoms, Causes, Treatments, and More

  https://www.webmd.com/digestive-disorders/digestive-diseases-gastritis

  Blood tests. The doctor may check your red blood cell count to see whether you have anemia, which is when you don’t have enough red blood cells. They can also use blood tests to screen for H. pylori infection and pernicious anemia. […] Fecal occult blood test (stool test). This test checks for the presence of blood in your poop, a possible sign of gastritis. […] Breath test for H. pylori. You may have this test if your doctor thinks you may be infected with the H. pylori bacteria. You swallow a substance called urea, which the bacteria break down into carbon dioxide. You breathe into a bag, and the breath sample is tested for excess carbon dioxide.

• #2 Eosinophilic Gastritis: Symptoms, Treatment & Causes

  https://my.clevelandclinic.org/health/diseases/23571-eosinophilic-gastritis

  Eosinophilic gastritis (EG) is a rare disease that affects your stomach. […] It is typically diagnosed based on blood work (high eosinophil count), changes in the stomach on endoscopy and looking at tiny specimens from the stomach under the microscope. […] To diagnose EG, your healthcare provider: Does a physical exam. Asks you about your medical history. Orders blood tests, including a complete blood count, to detect abnormalities and help rule out other conditions. […] Other tests your healthcare provider may order include: Upper endoscopy can confirm an EG diagnosis. Your provider uses a small tube with a tiny camera to examine parts of your stomach, esophagus and small intestine. […] Biopsy is when your healthcare provider removes a small tissue portion to confirm a diagnosis. A biopsy occurs during an endoscopy. After the biopsy, a pathologist analyzes the samples in a laboratory. If the eosinophil count is higher than the normal count, this can indicate eosinophilic gastritis.

• #2 Diagnosis and management of atrophic gastritisAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-atrophic-gastritis/

  10. Individuals with autoimmune gastritis should be screened for type 1 gastric neuroendocrine tumors with upper endoscopy. Small neuroendocrine tumors should be removed endoscopically, followed by surveillance endoscopy every 1–2 years, depending on the burden of neuroendocrine tumors. […] 11. Providers should evaluate for iron and vitamin B-12 deficiencies in patients with atrophic gastritis irrespective of etiology, especially if corpus-predominant. Likewise, in patients with unexplained iron or vitamin B-12 deficiency, atrophic gastritis should be considered in the differential diagnosis and appropriate diagnostic evaluation pursued. […] 12. In patients with autoimmune gastritis, providers should recognize that concomitant autoimmune disorders, particularly autoimmune thyroid disease, are common. Screening for autoimmune thyroid disease should be performed.

• #2 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Gastritis-Diagnosis.aspx

  Blood tests may be carried out to check blood cell counts and the function of the liver, kidneys, gall bladder and pancreas. […] Tests for H. pylori are carried out. […] If initial testing indicates an absence of H. pylori, and the use of NSAIDs or alcohol is suspected as a cause of the gastritis, the patient is taken off NSAIDs or told to stop drinking and therapy is prescribed to relieve symptoms. […] In cases where gastritis related to an autoimmune condition is suspected, tests to assess the serum vitamin B12 and autoantibody level are arranged. […] Phlegmonous gastritis which occurs as the result of peptic ulcer, systemic infection, surgery, cancer, or other serious stress can be confirmed by performing a plain upper GI series or computed tomography.

• #2 Gastritis: Diagnosis & Treatment | NewYork-Presbyterian

  https://www.nyp.org/digestive/gastritis/treatment

  How is Gastritis Diagnosed? Diagnosis Gastritis symptoms can resemble other conditions, so its important to get an accurate diagnosis from your healthcare provider. The doctor will ask about your symptoms and your health history and will perform a physical exam. Additional tests to diagnose gastritis may include: […] Upper endoscopy allows the doctor to see the inside lining of the esophagus and stomach by inserting a thin tube with a light and a camera. A small sample of tissue (biopsy) may be taken.

• #2 Gastritis | MUSC Health | Charleston SC

  https://muschealth.org/medical-services/ddc/patients/digestive-diseases/stomach-and-duodenum/gastritis

  Gastritis, as indicated by the inflammation and damage to the stomach lining. However, strictly speaking, gastritis is a formal medical term for a diagnosis made by a pathologist when evidence of inflammation and damage to the stomach lining is seen in a biopsy specimen taken during an upper endoscopy. […] Chronic gastritis is diagnosed by examining a specimen (biopsy) of the stomach mucosa. This is typically taken during an upper endoscopy examination. Additional blood tests and tests for Helicobacter pylori may be required.

• #2 Gastritis: Etiology and diagnosis – UpToDate

  https://www.uptodate.com/contents/classification-and-diagnosis-of-gastritis-and-gastropathy

  Gastritis: Etiology and diagnosis […] This topic will review the etiology, classification, and diagnosis of gastritis. […] A diagnosis of gastritis requires histopathologic evidence of inflammation. […] Gastritis is usually caused by infectious agents (eg, Helicobacter pylori) or is immune mediated, although in many cases the cause of the gastritis is unknown.

• #2 Gastritis: Symptoms, Causes, Treatments, and More

  https://www.webmd.com/digestive-disorders/digestive-diseases-gastritis

  Gastritis Tests: To diagnose gastritis, your doctor will review your personal and family medical history and do a physical exam. They may also recommend any of the following tests: Upper gastrointestinal (GI) series or barium swallow. This is an X-ray that gives your doctor a look at the upper part of your digestive system. Before the X-ray, you swallow a chalky liquid called barium. It coats your organs to help your doctor see them. It can reveal whether there’s erosion in your stomach lining. […] Upper endoscopy. An endoscope, a thin tube containing a tiny camera, is inserted through your mouth and down into your stomach to check your stomach lining for signs of inflammation. At the same time, they may also do a biopsy, in which they remove a tiny sample of tissue and send it to a lab for analysis.

• #2 Diagnosis of Gastritis – Review from Early Pathological Evaluation to Present Day Management | IntechOpen

  https://www.intechopen.com/chapters/41544

  The Sydney System declared the routine biopsy sampling protocol, the number of biopsies should be taken, the biopsies proper localisation (two from antrum and two from corpus, both from anterior and posterior walls) and sample fixation in adequately labelled separate containers. […] The updated system categorised chronic gastritis into non-atrophic and atrophic forms with the latter divided into autoimmune (diffuse corpus atrophy) and multifocal. […] The recommendations contain that conventional white light endoscopy cannot accurately differentiate between and diagnose pre-neoplastic gastric conditions/lesions. […] Patients with extensive atrophy and/or extensive intestinal metaplasia should be offered endoscopic surveillance every 3 years. […] This review critically offers and emphasizes the necessity of an international consensus meeting, which will establish a more uniform classification of gastritis respecting the wider multidisciplinary aspects.

• #2 Gastritis: Causes, Diagnosis, and Treatment

  https://blog.ovalmedicalcentre.co.uk/gastritis-causes-diagnosis-and-treatment/

  Having stomach pain and feeling (or being) sick can be caused by various issues but may be linked to gastritis. […] Various tests can answer the question Have I got gastritis?, and other medical conditions such as IBS can be considered. Diagnosis can be from a stool sample, a breath test, or x-rays to trace bariums progress in your digestive system. […] Please speak to one of our GPS about stomach problems early! If left untreated, gastritis can lead to stomach ulcers, polyps or tumours (malignant and benign). Whereas early diagnosis and treatment can be highly effective.

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