Materiały źródłowe

• #1 Ewing Tumor – Signs and Symptoms | American Cancer Society

  https://www.cancer.org/cancer/types/ewing-tumor/detection-diagnosis-staging/signs-symptoms.html

  Ewing tumors (Ewing sarcomas) are most common in older children and teens, although they can develop in other age groups as well. These tumors are often found because of the symptoms they cause. […] Most people with Ewing tumors will have pain in the area of the tumor. Ewing tumors develop most often in the pelvis (hip bones), the chest wall (such as the ribs or shoulder blades), or the legs (mainly in the middle of the leg bones), but they can also start in other parts of the body. At first, the area might not hurt all the time, and the pain might be worse at night or with activity. Over time, the pain might become more intense and more constant. […] Over time, most Ewing bone tumors and almost all non-bone (soft tissue) Ewing tumors cause a lump or swelling, which is more likely to be noticed in tumors in the arms or legs. The lump is often soft and feels warm. Tumors in the chest wall or pelvis might not be noticed until they have grown quite large.

• #1 Ewing Sarcoma: Symptoms, Treatment & Prognosis

  https://my.clevelandclinic.org/health/diseases/21752-ewings-sarcoma

  Ewing sarcoma symptoms can resemble common bumps or lumps and bruises on peoples arms, legs and chest. […] Common symptoms include: Bone pain that comes and goes and seems to get worse at night. […] Swelling in the tissue around bones. People may complain about feeling stiff or noticing it hurts when they touch some areas on their bones or next to their bones. […] Lumps near the skins surface that may feel warm and soft to the touch. […] Fever that doesnt go away. […] Broken bones that happen without an injury. […] Fatigue and unexpected weight loss may be symptoms of metastatic Ewing sarcoma. […] Ewing sarcoma typically happens around the time children start puberty. […] Ewing sarcoma can come back. Once your child completes treatment, theyll continue to see their provider for follow-up tests, including X-rays, CT scans and bone scans so their provider can detect any recurring cancer as soon as possible.

• #1 Ewing sarcoma… – Modern Cancer Hospital Guangzhou ChinaFacebookShared with Public

  https://www.facebook.com/cancerhealthcare/posts/ewing-sarcoma-signs-and-symptoms-typically-start-in-and-around-a-bone-this-cance/859539166282847/

  Ewing sarcoma signs and symptoms typically start in and around a bone. This cancer most often affects bones in the legs and the pelvis. […] When symptoms happen in and around a bone, they might include: A lump in the arm, leg, chest or pelvis. Bone pain. Break in a bone, also called a fracture. Pain, swelling or tenderness near the affected area. […] Sometimes Ewing sarcoma causes symptoms that affect the whole body. These can include: Fever. Losing weight without trying. Tiredness.

• #1 Ewing sarcoma: Stage 4 symptoms and more

  https://www.medicalnewstoday.com/articles/ewing-sarcoma-stage-4-symptoms

  Ewings sarcoma (ES) is a rare form of cancer that affects the bones or soft tissues surrounding the bones. Stage 4 ES is the most advanced stage of the disease. It indicates the cancer has spread to distant tissues and organs. […] During the early stages of ES, a person may experience symptoms such as bone pain, swelling, and stiffness. If the disease progresses to stage 4, a person will likely experience additional symptoms, such as fever and weight loss. […] If the cancer progresses to stage 4, a person may experience systemic (whole body) symptoms, such as weight loss and fever. […] Symptoms may include bone pain, fractures, fever, and weight loss. […] People should be aware that stage 4 ES is associated with a significant risk of recurrence.

• #1 Ewing sarcoma – Wikipedia

  https://en.wikipedia.org/wiki/Ewing_sarcoma

  Ewing sarcoma is a type of pediatric cancer that forms in bone or soft tissue. Symptoms may include swelling and pain at the site of the tumor, fever, and a bone fracture. The most common areas where it begins are the legs, pelvis, and chest wall. In about 25% of cases, the cancer has already spread to other parts of the body at the time of diagnosis. Complications may include a pleural effusion or paraplegia. […] Ewing sarcoma is more common in males (1.6 male:1 female) and usually presents in childhood or early adulthood, with a peak between 10 and 20 years of age. It can occur anywhere in the body but most commonly in the pelvis and proximal long tubular bones, especially around the growth plates. The diaphyses of the femur are the most common sites, followed by the tibia and the humerus. Thirty percent are overtly metastatic at presentation, while 10-15% of people present with a pathologic fracture at the time of diagnosis. People usually experience extreme bone pain. Rarely, the tumor presents as extraskeletal, or outside the bone, such as in the vagina, pleura, or otherwise.

• #1 Ewing sarcoma | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/ewing-sarcoma

  Ewing sarcoma is characterized by chromosome changes that occur after birth. […] The symptoms of Ewing sarcoma depend on the size and location of the tumor, as well as your child’s age and general health. Indications may include: Pain, stiffness or tenderness at the site of the tumor, Pain that gets progressively worse over time, and may radiate outward from the tumor site, Pain that awakes the child from sound sleep, Swelling or mass around the affected bone, Decreased motor skills, including difficulty walking or limping, Weak bones, which may lead to a fracture, Fatigue, Weight loss, Fever, Anemia. […] A Ewing sarcoma located near the spinal cord may cause back pain that radiates out through the arms or legs, or sometimes numbness or weakness. […] Ewing sarcoma can reoccur even after being successfully treated so it is important for your child to continue to be seen regularly by one of the physicians at the Bone and Soft Tissue Tumor Program. […] As with any cancer, prognosis and long-term survival can vary greatly from child to child, however. Prompt medical attention and aggressive therapy are important for the best prognosis.

• #1 8 Top Ewing’s Sarcoma Symptoms & Signs | MD Anderson Cancer Center

  https://www.mdanderson.org/cancer-types/ewings-sarcoma/ewings-sarcoma-symptoms.html

  The symptoms of Ewing’s sarcoma vary from person to person. Usually, the first symptom is pain where the tumor is located. The pain, which often gets worse at night or during exercise, may be from the tumor growing or a fracture in a bone that has been weakened by the tumor. […] Other Ewing’s sarcoma symptoms include: Lump, swelling or tenderness at the tumor site, Fever, Broken bone after a minor accident or normal activity, Fatigue, Walking with a limp, Weight loss, Weakness, numbness or paralysis of arms and legs if tumor has spread near the spine, Shortness of breath, if Ewing’s sarcoma has spread to the lungs. […] These symptoms do not always mean your child has Ewing’s sarcoma. Many of the signs are similar to normal minor problems many children have. However, it’s a good idea to speak to your doctor, since these problems may signal other health issues.

• #1

  https://journals.lww.com/jbjsjournal/fulltext/2000/05000/initial_symptoms_and_clinical_features_in.7.aspx

  Pain related to strain was reported by thirty (64 percent) of those with Ewing sarcoma, but only twenty-one (21 percent) of the patients with osteosarcoma and nine (19 percent) of those with Ewing sarcoma reported pain at night. […] A palpable mass was noted in sixteen (34 percent) of those with Ewing sarcoma at the first visit, and in most cases the tumor diagnosis was suspected. […] An initial symptom of both osteosarcoma and Ewing sarcoma was pain, which was intermittent and often related to strain but not frequently felt at night. […] The clinical course of osteosarcoma and particularly of Ewing sarcoma was not steadily progressive but intermittent, which often misled the doctor into believing that the condition was temporary. […] The most important clinical feature was a palpable mass, which was noted in more than one-third of the patients at the first visit.

• #1 Ewing sarcoma family of tumors | Alex’s Lemonade Stand Foundation for Childhood Cancer

  https://www.alexslemonade.org/childhood-cancer/guides/childhood-cancer/chapter-2-bone-sarcomas/ewing-sarcoma-family-tumors

  Ewing sarcoma most commonly arises in the legs (41%) and the pelvis (26%), but it can also occur in the chest wall (16%), the arm bones (9%), the spine (6%), the hands and feet (3%), and the skull (2%). […] The signs and symptoms of ESFT depend on the location of the disease. Almost all children diagnosed with Ewing sarcoma of the bone have pain, and more than half have swelling of the affected area. Approximately 16 percent have a fracture at the site of disease, and 20 percent have a fever. Children or teens with metastatic disease (disease that has spread to other parts of the body) may be tired and have unexplained weight loss. If the cancer has spread to areas around the spine, symptoms may include back pain or paralysis. […] A diagnosis is sometimes delayed because the symptoms of ESFT tumors can be very similar to those of trauma, growing pains, or an infection. Diagnosis commonly occurs months after symptoms begin.

• #1 Ewing Sarcoma Treatment (PDQ®) – NCI

  https://www.cancer.gov/types/bone/hp/ewing-treatment-pdq

  Dramatic improvements in survival have been achieved for children and adolescents with cancer. For Ewing sarcoma, the 5-year survival rate has increased from 59% to a range of 80% to 85% for children younger than 15 years and from 20% to 69% for adolescents aged 15 to 19 years. […] The time from the first symptom to diagnosis of Ewing sarcoma is often long, with a median interval reported from 2 to 5 months. Longer times are associated with older age and pelvic primary sites. Time from the first symptom to diagnosis has not been associated with metastasis, surgical outcome, or survival. Approximately 25% of patients with Ewing sarcoma have metastatic disease at the time of diagnosis, with lung, bone, and bone marrow being the most common metastatic sites. […] The presence or absence of metastatic disease is the single most powerful predictor of outcome. Any metastatic disease defined by standard imaging techniques or bone marrow aspirate/biopsy by morphology is an adverse prognostic factor. Metastases at diagnosis are detected in about 25% of patients. Patients with metastatic disease confined to the lung have a better prognosis than patients with extrapulmonary metastatic sites.

• #1 Ewing Sarcoma: Practice Essentials, Etiology, Epidemiology

  https://emedicine.medscape.com/article/990378-overview

  Signs and symptoms of Ewing sarcoma may include the following: […] Localized pain […] Back pain, which may indicate a paraspinal, retroperitoneal, or deep pelvic tumor […] Palpable mass […] Systemic symptoms of fever and weight loss, which often indicate metastatic disease. […] The most significant factor currently known to determine the prognosis in patients with Ewing sarcoma is the presence or absence of metastatic disease. Primary site of the tumor also is a prognostic factor, with distal extremities being more favorable than those with central or pelvic sites. […] Approximately 80% of patients present with localized disease, whereas 20% present with clinically detectable metastatic disease, most often to the lungs, bone, and/or bone marrow. The overall patient survival rate is 60%; for patients with localized disease, however, the survival rate approaches 70%. Patients with metastatic disease have a long-term survival rate of less than 25%.

• #1 Ewing Sarcoma | Loma Linda University Children’s Health

  https://lluch.org/conditions/ewing-sarcoma

  More commonly, providers classify Ewing tumor as localized or metastatic. Localized tumors are only in the bone where they started and maybe in nearby tissues like muscles or tendons. Metastatic Ewing sarcoma has clearly spread when looking at imaging scans. Most of the time, it spreads to other bones, the lungs, or the bone marrow. Less often, it can spread to the liver or lymph nodes. […] Once the T, N, M, and G information is obtained, Ewing sarcoma is assigned an overall stage. Stage groupings can have a value of 1 to 4. They are written as Roman numerals I, II, III, and IV. The higher the number, the more cancer there is and the more it has spread from where it first started. […] The stage of a cancer is one of the most important things to know when deciding how to treat it. Be sure to ask your child’s healthcare provider to explain the stage of your child’s cancer in a way you can understand.

• #1 What Are the Stages of Ewing Sarcoma?

  https://www.healthline.com/health/ewing-sarcoma-stages

  Ewing sarcoma is a rare and aggressive cancer that forms in bone or soft tissue. […] Ewing sarcoma affects roughly 1.7 in 1 million children. It most often develops between the ages of 10 and 20. […] Doctors use different staging systems for Ewing sarcoma. Knowing the cancers stage gives the best idea about how to treat it and what to expect. […] About 20% of people have metastatic cancer at diagnosis. […] Ewing sarcoma in bone is classified as stage 3 if it has spread to multiple tumors in the same bone but hasn’t spread to distant areas. […] Stage 4 Ewing sarcoma in bone is classified as either stage 4A or 4B. Stage 4 bone sarcoma has spread to distant parts of the body or lymph nodes. […] Advances in Ewing sarcoma treatment have improved the 5-year survival rate from under 20% to more than 70%.

• #1 Ewing Sarcoma | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/ewing-sarcoma

  Ewing sarcoma tends to strike children and young adults between the ages of 5 and 20, and is more common in boys than in girls. It is extremely rare in children of African descent. About 250 children and adolescents are diagnosed with Ewing sarcoma each year in the U.S., accounting for between 2 to 3 percent of all childhood cancers. […] For patients with localized Ewing tumors, the five-year survival rate is close to 70 to 80 percent. For people with metastatic disease, the five-year survival rate is 20 to 30 percent. […] Patients who have Ewing sarcoma that has come back after initial treatment (called relapsed or recurrent disease) have a poor prognosis. Children whose disease recurs more than two years after initial diagnosis have a five-year survival rate of 30 percent, while very few patients whose disease recurs less than two years from initial diagnosis will survive with our current best therapies.

• #1 Ewing Sarcoma – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK559183/

  Ewing sarcoma is an aggressive tumor of adolescents and young adults, constituting 10% to 15% of all bone sarcomas. Patients with Ewing sarcoma often present with local symptoms such as pain, stiffness, or swelling for a few weeks or months. More than 50% of the patients with Ewing sarcoma have intermittent pain that worsens at night. Bone or metastatic lesions within the long bone can present as pathological fractures. The pelvic location of Ewing sarcoma can present as back pain. The presence of systemic symptoms, including fever and weight loss, often indicates metastatic disease. Around 20% of patients present with metastatic disease at the time of diagnosis, and among these cases, more than 20% have lung or pleura involvement. […] Over the last 40 years, both local therapy and multiagent adjuvant chemotherapy have achieved considerable progress in the treatment of localized disease that improved the 5-year survival rate from less than 20% to greater than 70%, but the recurrence rate remains high. Approximately 25% of patients with initially localized disease ultimately relapse. No standard therapy exists for relapsed and refractory Ewing sarcoma, with survival rates being less than 30% in those with isolated lung metastases and less than 20% in those with bone and bone marrow involvement.

• #1 Pediatric Ewing’s Sarcoma | Children’s Hospital Colorado

  https://www.childrenscolorado.org/conditions-and-advice/conditions-and-symptoms/conditions/ewings-sarcoma/

  Ewing’s sarcoma most often occurs in school-age children (ages 6-12), adolescents and young adults and affects both boys and girls. […] The most common Ewing’s sarcoma symptoms include: Recurring pain that occurs with activity or at rest; children often complain that the pain wakes them up at night. […] Symptoms can also appear to be similar to symptoms of an infection. Symptoms can be present for several weeks or months, or only for a few weeks and they do not go away over time. […] If your child or young adult has these symptoms it is important to see a doctor immediately. Studies have shown that early treatment of Ewing’s sarcoma is more likely to be successful.

• #1 Frequently Asked Questions About Ewing’s Sarcoma | CancerIndex

  http://www.cancerindex.org/ccw/faq/ewings.htm

  Delays in diagnosis of Ewings sarcoma are extremely common. The average duration of symptoms is 20 weeks and for patients with tumours of the pelvis it is not uncommon for patients to have had symptoms for one year or more. The first symptoms experienced by most patients are rather non-specific pain which gradually becomes more severe and persistent. Many patients will have been investigated for a variety of conditions and some will have had treatment including operations which have not resolved the problem. Up to 25% of patients will have had an X-ray which has either not been of the right part of the bone or has failed to detect the abnormality in its early stages.

• #1 Ewing sarcoma (brief information)

  https://www.gpoh.de/kinderkrebsinfo/content/diseases/solid_tumours/ewing_sarcoma/pohpatinfoewingkurz20101215/index_eng.html

  Not all children and adolescents presenting with the complaints described above suffer from Ewing sarcoma or any other malignant bone tumour. However, every type of musculoskeletal pain in a child or a teenager should be taken seriously and be dealt with by an experienced paediatrician in order to appropriately rule out an underlying cancer.

• #2 Ewing Sarcoma – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK559183/

  Ewing sarcoma is an aggressive tumor of adolescents and young adults, constituting 10% to 15% of all bone sarcomas. Patients with Ewing sarcoma often present with local symptoms such as pain, stiffness, or swelling for a few weeks or months. More than 50% of the patients with Ewing sarcoma have intermittent pain that worsens at night. Bone or metastatic lesions within the long bone can present as pathological fractures. The pelvic location of Ewing sarcoma can present as back pain. The presence of systemic symptoms, including fever and weight loss, often indicates metastatic disease. Around 20% of patients present with metastatic disease at the time of diagnosis, and among these cases, more than 20% have lung or pleura involvement. […] Over the last 40 years, both local therapy and multiagent adjuvant chemotherapy have achieved considerable progress in the treatment of localized disease that improved the 5-year survival rate from less than 20% to greater than 70%, but the recurrence rate remains high. Approximately 25% of patients with initially localized disease ultimately relapse. No standard therapy exists for relapsed and refractory Ewing sarcoma, with survival rates being less than 30% in those with isolated lung metastases and less than 20% in those with bone and bone marrow involvement.

• #2 Ewing Tumor – Signs and Symptoms | American Cancer Society

  https://www.cancer.org/cancer/types/ewing-tumor/detection-diagnosis-staging/signs-symptoms.html

  Ewing tumors (Ewing sarcomas) are most common in older children and teens, although they can develop in other age groups as well. These tumors are often found because of the symptoms they cause. […] Most people with Ewing tumors will have pain in the area of the tumor. Ewing tumors develop most often in the pelvis (hip bones), the chest wall (such as the ribs or shoulder blades), or the legs (mainly in the middle of the leg bones), but they can also start in other parts of the body. At first, the area might not hurt all the time, and the pain might be worse at night or with activity. Over time, the pain might become more intense and more constant. […] Over time, most Ewing bone tumors and almost all non-bone (soft tissue) Ewing tumors cause a lump or swelling, which is more likely to be noticed in tumors in the arms or legs. The lump is often soft and feels warm. Tumors in the chest wall or pelvis might not be noticed until they have grown quite large.

• #2 Ewing Sarcoma: Symptoms, Treatment & Prognosis

  https://my.clevelandclinic.org/health/diseases/21752-ewings-sarcoma

  Ewing sarcoma symptoms can resemble common bumps or lumps and bruises on peoples arms, legs and chest. […] Common symptoms include: Bone pain that comes and goes and seems to get worse at night. […] Swelling in the tissue around bones. People may complain about feeling stiff or noticing it hurts when they touch some areas on their bones or next to their bones. […] Lumps near the skins surface that may feel warm and soft to the touch. […] Fever that doesnt go away. […] Broken bones that happen without an injury. […] Fatigue and unexpected weight loss may be symptoms of metastatic Ewing sarcoma. […] Ewing sarcoma typically happens around the time children start puberty. […] Ewing sarcoma can come back. Once your child completes treatment, theyll continue to see their provider for follow-up tests, including X-rays, CT scans and bone scans so their provider can detect any recurring cancer as soon as possible.

• #2 Ewing’s Sarcoma – OrthoInfo – AAOS

  https://orthoinfo.aaos.org/en/diseases–conditions/ewings-sarcoma/

  Ewing’s sarcoma is a cancerous (malignant) tumor that usually begins growing in a bone. It occurs primarily in children and young adults, often appearing during the teen years. […] There is usually pain and possibly swelling at the site of the tumor. However, the tumor may be present for many months before it becomes large enough to cause pain and swelling. In some cases, the first symptom of Ewing’s sarcoma is the presence of a mass. […] Although injuries are not a known cause, an injury may draw attention to a tumor. For example, a bone weakened by a tumor may break after a minor injury.

• #2 Ewing sarcoma: Stage 4 symptoms and more

  https://www.medicalnewstoday.com/articles/ewing-sarcoma-stage-4-symptoms

  Ewings sarcoma (ES) is a rare form of cancer that affects the bones or soft tissues surrounding the bones. Stage 4 ES is the most advanced stage of the disease. It indicates the cancer has spread to distant tissues and organs. […] During the early stages of ES, a person may experience symptoms such as bone pain, swelling, and stiffness. If the disease progresses to stage 4, a person will likely experience additional symptoms, such as fever and weight loss. […] If the cancer progresses to stage 4, a person may experience systemic (whole body) symptoms, such as weight loss and fever. […] Symptoms may include bone pain, fractures, fever, and weight loss. […] People should be aware that stage 4 ES is associated with a significant risk of recurrence.

• #2 Ewing’s Sarcoma: Symptoms, Causes, Diagnosis, Treatment, Prognosis

  https://www.webmd.com/cancer/ewings-sarcoma

  With Ewing’s sarcoma, your child may feel pain, swelling, or stiffness in the area of the tumor. This is sometimes mistaken for bumps and bruises from playing sports. […] Ewing’s sarcoma might also cause your child to: Have a lump near the skin that feels warm and soft to the touch, Have a constant low fever, Limp because their legs hurt, Have bone pain that gets worse when they exercise or during the night, Have broken bones without an obvious cause, Lose weight without trying, Feel tired for no reason.

• #2 Ewing sarcoma family of tumors | Alex’s Lemonade Stand Foundation for Childhood Cancer

  https://www.alexslemonade.org/childhood-cancer/guides/childhood-cancer/chapter-2-bone-sarcomas/ewing-sarcoma-family-tumors

  Ewing sarcoma most commonly arises in the legs (41%) and the pelvis (26%), but it can also occur in the chest wall (16%), the arm bones (9%), the spine (6%), the hands and feet (3%), and the skull (2%). […] The signs and symptoms of ESFT depend on the location of the disease. Almost all children diagnosed with Ewing sarcoma of the bone have pain, and more than half have swelling of the affected area. Approximately 16 percent have a fracture at the site of disease, and 20 percent have a fever. Children or teens with metastatic disease (disease that has spread to other parts of the body) may be tired and have unexplained weight loss. If the cancer has spread to areas around the spine, symptoms may include back pain or paralysis. […] A diagnosis is sometimes delayed because the symptoms of ESFT tumors can be very similar to those of trauma, growing pains, or an infection. Diagnosis commonly occurs months after symptoms begin.

• #2 Ewing Sarcoma Symptoms, Diagnosis, and Treatments | UPMC Children’s

  https://www.chp.edu/our-services/cancer/conditions/ewing-sarcoma

  Most often, Ewing sarcoma starts in the bone or soft tissue. It can then spread to other organs, most commonly the lung. […] While each child’s symptoms may differ, the most common symptoms of Ewing sarcoma include: Pain around the tumor site. Swelling or redness around the tumor site. Fever. Weight loss and a decreased appetite. Fatigue. Paralysis or incontinence (if the tumor is in the spinal region). Numbness, tingling, and paralysis (if the tumor is pressing on a nerve). […] The symptoms of Ewing sarcoma may mimic those of other health issues. Always consult your child’s doctor for a diagnosis. […] The prognosis for a child with Ewing sarcoma depends on: The extent of the disease. The size of the tumor and where it is. If it has spread. How the tumor responds to treatment. Your child’s age and overall health. How your child does with certain medicines and treatment methods. Advances in treatment. […] Prompt and aggressive care are vital for the best outlook. Follow-up care is also crucial. Children who survive Ewing sarcoma can have late effects of radiation and chemo. The cancer can also recur.

• #2 Ewing’s Sarcoma | Symptoms, Diagnosis & Treatment

  https://www.cincinnatichildrens.org/health/e/ewings-sarcoma

  Ewing’s sarcoma is a form of cancer that can be found in both the bone or in the soft tissue, depending on the type. […] Symptoms of Ewing’s sarcoma include swelling and pain. The pain is often worse at night. There may also be a soft mass at the site of the pain. At first, the pain may be thought to be the result of an injury. Depending on the location of the mass, other symptoms may include problems with urination or constipation, difficulty breathing, shortness of breath, or numbness and weakness of the extremities. Often a fracture, or break in the bone, occurs as a result of the tumor weakening the bones. Sometimes it is hard to tell tumor from a bone infection called osteomyelitis. […] It is a fast-growing cancer that easily spreads to the lungs or to other bones.

• #2 Frequently Asked Questions About Ewing’s Sarcoma | CancerIndex

  http://www.cancerindex.org/ccw/faq/ewings.htm

  Delays in diagnosis of Ewings sarcoma are extremely common. The average duration of symptoms is 20 weeks and for patients with tumours of the pelvis it is not uncommon for patients to have had symptoms for one year or more. The first symptoms experienced by most patients are rather non-specific pain which gradually becomes more severe and persistent. Many patients will have been investigated for a variety of conditions and some will have had treatment including operations which have not resolved the problem. Up to 25% of patients will have had an X-ray which has either not been of the right part of the bone or has failed to detect the abnormality in its early stages.

• #2 What Are the Stages of Ewing Sarcoma?

  https://www.healthline.com/health/ewing-sarcoma-stages

  Ewing sarcoma is a rare and aggressive cancer that forms in bone or soft tissue. […] Ewing sarcoma affects roughly 1.7 in 1 million children. It most often develops between the ages of 10 and 20. […] Doctors use different staging systems for Ewing sarcoma. Knowing the cancers stage gives the best idea about how to treat it and what to expect. […] About 20% of people have metastatic cancer at diagnosis. […] Ewing sarcoma in bone is classified as stage 3 if it has spread to multiple tumors in the same bone but hasn’t spread to distant areas. […] Stage 4 Ewing sarcoma in bone is classified as either stage 4A or 4B. Stage 4 bone sarcoma has spread to distant parts of the body or lymph nodes. […] Advances in Ewing sarcoma treatment have improved the 5-year survival rate from under 20% to more than 70%.

• #2 Ewing Sarcoma Treatment (PDQ®) – NCI

  https://www.cancer.gov/types/bone/hp/ewing-treatment-pdq

  Dramatic improvements in survival have been achieved for children and adolescents with cancer. For Ewing sarcoma, the 5-year survival rate has increased from 59% to a range of 80% to 85% for children younger than 15 years and from 20% to 69% for adolescents aged 15 to 19 years. […] The time from the first symptom to diagnosis of Ewing sarcoma is often long, with a median interval reported from 2 to 5 months. Longer times are associated with older age and pelvic primary sites. Time from the first symptom to diagnosis has not been associated with metastasis, surgical outcome, or survival. Approximately 25% of patients with Ewing sarcoma have metastatic disease at the time of diagnosis, with lung, bone, and bone marrow being the most common metastatic sites. […] The presence or absence of metastatic disease is the single most powerful predictor of outcome. Any metastatic disease defined by standard imaging techniques or bone marrow aspirate/biopsy by morphology is an adverse prognostic factor. Metastases at diagnosis are detected in about 25% of patients. Patients with metastatic disease confined to the lung have a better prognosis than patients with extrapulmonary metastatic sites.

• #2 Ewing Sarcoma | Loma Linda University Children’s Health

  https://lluch.org/conditions/ewing-sarcoma

  More commonly, providers classify Ewing tumor as localized or metastatic. Localized tumors are only in the bone where they started and maybe in nearby tissues like muscles or tendons. Metastatic Ewing sarcoma has clearly spread when looking at imaging scans. Most of the time, it spreads to other bones, the lungs, or the bone marrow. Less often, it can spread to the liver or lymph nodes. […] Once the T, N, M, and G information is obtained, Ewing sarcoma is assigned an overall stage. Stage groupings can have a value of 1 to 4. They are written as Roman numerals I, II, III, and IV. The higher the number, the more cancer there is and the more it has spread from where it first started. […] The stage of a cancer is one of the most important things to know when deciding how to treat it. Be sure to ask your child’s healthcare provider to explain the stage of your child’s cancer in a way you can understand.

• #2 Childhood Ewing Sarcoma | Dana-Farber Cancer Institute

  https://www.dana-farber.org/cancer-care/types/childhood-ewing-sarcoma

  Ewing sarcoma is a kind of childhood cancer that grows in bones or soft tissues. It is typically found in the bones of the pelvis or thigh, though it can arise throughout the body. Ewing sarcoma: […] Ewing sarcoma symptoms can be non-specific and mimic other more common ailments. While symptoms vary from child to child, the most common include: […] Because many of these symptoms can also point to other conditions, it’s essential to have your child evaluated by a qualified medical professional right away. […] The five-year survival rate for children with localized Ewing sarcoma is close to 70 to 80 percent. For children with metastatic disease, the five-year survival rate is 20 to 30 percent. […] However, it’s important to understand that your child’s short-term health and long-term health can vary greatly depending on specific circumstances. Prompt medical attention and intensive therapy are critical, as is continuous follow-up care. […] Because Ewing sarcoma does tend to recur later in life even as many as 10 years after treatment long-term follow-up care is essential.

• #2 Recurrent Ewing’s Sarcoma

  https://www.texasoncology.com/types-of-cancer/sarcoma/ewings-sarcoma/recurrent-ewings-sarcoma

  The prognosis for patients with recurrent or progressive Ewings sarcoma is poor. Researchers from England have reported that among 64 patients who relapsed after initial therapy, average survival from the time of relapse was only 14 months. […] Overall, five-year relapse-free survival was 18 percent. Among patients who had a recurrence more than two years after diagnosis, five-year relapse-free survival was 35 percent. Patients with a local recurrence had a five-year relapse-free survival of 22 percent compared to 18 percent for those with a distant recurrence. […] The selection of further treatment after a relapse depends on many factors, including the site of recurrence and prior treatment, as well as other individual patient considerations. In some instances, treatment is given only to relieve symptoms.

• #2 Ewing Sarcoma | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/ewing-sarcoma

  However, it’s important to understand that your child’s short-term health and long-term health can vary greatly depending on his specific circumstances. Prompt medical attention and intensive therapy are very important, as is continuous follow-up care. […] Because Ewing sarcoma does have a tendency to recur later in life even as many as 10 years after treatment long-term follow-up care is essential. We see patients with Ewing sarcoma for X-rays or MRI of the primary tumor site and CT scan of the chest every three months after treatment is completed. If all goes well, the frequency of the visits will decrease for the next five years. […] Some children who are treated for Ewing sarcoma and other pediatric cancers can experience significant long-term problems as a result of their treatment. All kids who have been treated for cancer require ongoing, specialized cancer survivorship care.

• #2 Ewing sarcoma | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/ewing-sarcoma

  Ewing sarcoma is characterized by chromosome changes that occur after birth. […] The symptoms of Ewing sarcoma depend on the size and location of the tumor, as well as your child’s age and general health. Indications may include: Pain, stiffness or tenderness at the site of the tumor, Pain that gets progressively worse over time, and may radiate outward from the tumor site, Pain that awakes the child from sound sleep, Swelling or mass around the affected bone, Decreased motor skills, including difficulty walking or limping, Weak bones, which may lead to a fracture, Fatigue, Weight loss, Fever, Anemia. […] A Ewing sarcoma located near the spinal cord may cause back pain that radiates out through the arms or legs, or sometimes numbness or weakness. […] Ewing sarcoma can reoccur even after being successfully treated so it is important for your child to continue to be seen regularly by one of the physicians at the Bone and Soft Tissue Tumor Program. […] As with any cancer, prognosis and long-term survival can vary greatly from child to child, however. Prompt medical attention and aggressive therapy are important for the best prognosis.

• #2 Ewing Sarcoma – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK559183/

  Symptoms of bone pain, joint pain, or palpable mass warrant assessment. A comprehensive physical examination is critical. Patients and their families should be educated on these presenting symptoms as they may be related to an osseous neoplasm. Ewing sarcoma is managed best with an interprofessional team approach. Optimal treatment of childhood cancer requires a high level of suspicion by the primary clinicians and early referral to the pediatric oncologist. The team should include skilled radiologists, orthopedic surgeons, radiation oncologists, pathologists, nurses, and pharmacists. Early detection and treatment may reduce disease-related morbidity and complications.

• #3 Ewing sarcoma – Wikipedia

  https://en.wikipedia.org/wiki/Ewing_sarcoma

  Ewing sarcoma is a type of pediatric cancer that forms in bone or soft tissue. Symptoms may include swelling and pain at the site of the tumor, fever, and a bone fracture. The most common areas where it begins are the legs, pelvis, and chest wall. In about 25% of cases, the cancer has already spread to other parts of the body at the time of diagnosis. Complications may include a pleural effusion or paraplegia. […] Ewing sarcoma is more common in males (1.6 male:1 female) and usually presents in childhood or early adulthood, with a peak between 10 and 20 years of age. It can occur anywhere in the body but most commonly in the pelvis and proximal long tubular bones, especially around the growth plates. The diaphyses of the femur are the most common sites, followed by the tibia and the humerus. Thirty percent are overtly metastatic at presentation, while 10-15% of people present with a pathologic fracture at the time of diagnosis. People usually experience extreme bone pain. Rarely, the tumor presents as extraskeletal, or outside the bone, such as in the vagina, pleura, or otherwise.

• #3 8 Top Ewing’s Sarcoma Symptoms & Signs | MD Anderson Cancer Center

  https://www.mdanderson.org/cancer-types/ewings-sarcoma/ewings-sarcoma-symptoms.html

  The symptoms of Ewing’s sarcoma vary from person to person. Usually, the first symptom is pain where the tumor is located. The pain, which often gets worse at night or during exercise, may be from the tumor growing or a fracture in a bone that has been weakened by the tumor. […] Other Ewing’s sarcoma symptoms include: Lump, swelling or tenderness at the tumor site, Fever, Broken bone after a minor accident or normal activity, Fatigue, Walking with a limp, Weight loss, Weakness, numbness or paralysis of arms and legs if tumor has spread near the spine, Shortness of breath, if Ewing’s sarcoma has spread to the lungs. […] These symptoms do not always mean your child has Ewing’s sarcoma. Many of the signs are similar to normal minor problems many children have. However, it’s a good idea to speak to your doctor, since these problems may signal other health issues.

• #3 Ewing sarcoma… – Modern Cancer Hospital Guangzhou ChinaFacebookShared with Public

  https://www.facebook.com/cancerhealthcare/posts/ewing-sarcoma-signs-and-symptoms-typically-start-in-and-around-a-bone-this-cance/859539166282847/

  Ewing sarcoma signs and symptoms typically start in and around a bone. This cancer most often affects bones in the legs and the pelvis. […] When symptoms happen in and around a bone, they might include: A lump in the arm, leg, chest or pelvis. Bone pain. Break in a bone, also called a fracture. Pain, swelling or tenderness near the affected area. […] Sometimes Ewing sarcoma causes symptoms that affect the whole body. These can include: Fever. Losing weight without trying. Tiredness.

• #3 Ewing sarcoma symptoms: What to know

  https://www.medicalnewstoday.com/articles/ewing-sarcoma-symptoms

  Symptoms of Ewing sarcoma include a visible lump that develops at the tumor site. Other symptoms include a low yet consistent fever, unexplained weight loss, and anemia. […] Most people with Ewing sarcoma encounter pain in the area the tumor is present. […] In the tumor area, a visible lump may appear under the skins surface. This may be more noticeable on the arms or legs and may be painful and feel warm to the touch. […] Additionally, an Ewing tumor can weaken bones, causing breaks or fractures after only a minor injury. […] Other symptoms that someone with Ewings sarcoma may encounter include: consistent yet low fever with an unknown cause, anemia, fatigue, unexplained weight loss, loss of appetite. […] A person with the condition may notice a painful mass or swelling and in some cases, a mild yet consistent fever. […] A tumor may weaken the bone, causing seemingly unexplained fractures or breaks. If a person experiences symptoms, they should seek medical attention as soon as possible.

• #3 Ewing Sarcoma in Children – UChicago Medicine

  https://www.uchicagomedicine.org/comer/conditions-services/pediatric-cancer/pediatric-sarcomas/ewing-sarcoma

  The most common symptoms of Ewing sarcoma are: […] Pain around the site of the tumor […] Swelling and/or redness around the site of the tumor […] Fever […] Weight loss, decreased appetite […] Fatigue […] Paralysis and/or incontinence (if the tumor is in the spinal region) […] Symptoms related to nerve compression from the tumor (e.g., numbness, tingling, paralysis, etc.) […] Ewing sarcoma is highly malignant and can metastasize (spread) rapidly to other areas of the body including the bone marrow, lungs, kidneys, heart, adrenal gland and other soft tissues. […] If the tumor cells have metastasized (spread), they can be found in other areas of the body, including the bone marrow, lungs, kidneys, heart, adrenal gland and other soft tissues. […] Ewing sarcoma treatment often includes surgery for the initial biopsy and removal of the primary tumor that is visible.

• #3 Ewing Sarcoma in Children | CureSearch

  https://curesearch.org/understanding-childrens-cancer/types-of-childrens-cancer/solid-tumors-sarcomas-in-children-cancer-of-the-bone-organs-or-tissues/ewing-sarcoma-in-children/

  Ewing sarcoma is the second most common bone cancer in children. It occurs most frequently in the long bones of the legs or arms, the pelvis, chest wall, spine and the skull, but can also begin in the soft tissues and not involve bone. This disease most often occurs in adolescents, with nearly half of cases arising between the ages of 10 and 20. Ewing sarcoma is somewhat more common in males than in females. […] The symptoms of depend on the bone or soft tissue site in which the cancer develops, but they usually include: Pain at the site of the mass, often with swelling. Patients may have general symptoms such as loss of appetite, fever, malaise, fatigue, and weight loss. Other symptoms are related to the specific location of the tumor. Classic symptoms include chest pain and shortness of breath in tumors that originate in the ribs, and back pain and „sciatic–like” symptoms in patients with tumors in the pelvis.

• #3 Ewing Sarcoma Treatment (PDQ®) – NCI

  https://www.cancer.gov/types/bone/hp/ewing-treatment-pdq

  Dramatic improvements in survival have been achieved for children and adolescents with cancer. For Ewing sarcoma, the 5-year survival rate has increased from 59% to a range of 80% to 85% for children younger than 15 years and from 20% to 69% for adolescents aged 15 to 19 years. […] The time from the first symptom to diagnosis of Ewing sarcoma is often long, with a median interval reported from 2 to 5 months. Longer times are associated with older age and pelvic primary sites. Time from the first symptom to diagnosis has not been associated with metastasis, surgical outcome, or survival. Approximately 25% of patients with Ewing sarcoma have metastatic disease at the time of diagnosis, with lung, bone, and bone marrow being the most common metastatic sites. […] The presence or absence of metastatic disease is the single most powerful predictor of outcome. Any metastatic disease defined by standard imaging techniques or bone marrow aspirate/biopsy by morphology is an adverse prognostic factor. Metastases at diagnosis are detected in about 25% of patients. Patients with metastatic disease confined to the lung have a better prognosis than patients with extrapulmonary metastatic sites.

• #3 Ewing Sarcoma: Practice Essentials, Etiology, Epidemiology

  https://emedicine.medscape.com/article/990378-overview

  Signs and symptoms of Ewing sarcoma may include the following: […] Localized pain […] Back pain, which may indicate a paraspinal, retroperitoneal, or deep pelvic tumor […] Palpable mass […] Systemic symptoms of fever and weight loss, which often indicate metastatic disease. […] The most significant factor currently known to determine the prognosis in patients with Ewing sarcoma is the presence or absence of metastatic disease. Primary site of the tumor also is a prognostic factor, with distal extremities being more favorable than those with central or pelvic sites. […] Approximately 80% of patients present with localized disease, whereas 20% present with clinically detectable metastatic disease, most often to the lungs, bone, and/or bone marrow. The overall patient survival rate is 60%; for patients with localized disease, however, the survival rate approaches 70%. Patients with metastatic disease have a long-term survival rate of less than 25%.

• #3 Ewing sarcoma | Bone Cancer Research Trust

  https://www.bcrt.org.uk/information/information-by-type/ewing-sarcoma/

  Ewing sarcoma is a rare cancer than can start in the bones or in soft tissue, like the muscles. It belongs to a group of tumours called ‘undifferentiated small round cell sarcomas of the bone and soft tissue’. […] Ewing sarcoma can sometimes spread to other parts of the body. This is called ‘secondary cancer’. The most common part of the body it spreads to is the lungs. This is called ‘pulmonary metastases’. In rare cases, Ewing sarcoma spreads to other bones, organs or bone marrow. […] The most common symptoms of Ewing sarcoma include: bone pain which might be worse at night, happens all the time or stops and starts, is not helped by painkillers and may get worse over time; a lump or swelling, which may be seen or felt if the tumour is near the skin’s surface (called ‘a palpable mass’); a broken bone caused by weakening of bone due to a tumour, without having had a fall or accident (called a ‘pathological fracture’); problems moving, may develop a limp, stiff limbs or joints, unable to move as normal; tenderness over the bone or joint.

• #3 Ewing Sarcoma Bone Cancer | Children with Cancer UK

  http://www.childrenwithcancer.org.uk/childhood-cancer-info/cancer-types/sarcoma/bone-sarcoma/ewing-sarcoma/

  Ewing Sarcoma symptoms include bone pain, swelling, fever and bone fracture. […] The following symptoms of Ewing Sarcoma may be noted: Bone pain this may come and go initially but then become more persistent, Tenderness, Redness, Swelling, Fracture may occur after a minor injury at the site of the weakened bone. […] Ewing sarcomas are divided into two groups: localised tumours are found in only one part of the body; metastatic tumours have spread to other parts of the body. […] The overall five year survival rate from Ewing sarcoma family tumours of bone is 66% and have not significantly improved over the last 30 years. For extraosseous tumours, the survival rate is lower at 58%. An individuals Ewing Sarcoma prognosis depends on the size of the tumour, site, whether it has spread and response to treatment.

• #3 Ewing sarcoma | EBSCO Research Starters

  https://www.ebsco.com/research-starters/health-and-medicine/ewing-sarcoma

  Even if the cancer is treated and its spread stopped, it often develops again in the place where it first arose and tends to spread throughout the body. Health issues may develop later due to treatment. These issues may involve heart and lung problems, slowed or decreased growth and development, and problems with sexual development. Monitoring is essential for patients who have this disease.

• #3 Ewing Sarcoma: Diagnosis, Treatment, and Coping

  https://www.verywellhealth.com/ewing-sarcoma-7481395

  Signs and symptoms of Ewing sarcoma can include: […] Lump in the arms, legs, chest, or pelvis; it may feel soft and warm […] Pain and/or swelling near the lump […] Unexplained fever […] Unexplained broken bone […] Any of these symptoms should be reported to your child’s healthcare provider immediately. […] Recurrence is most likely within the first two years after treatment is finished, but it’s not uncommon for later recurrences to occur. […] The overall five-year survival rate for Ewing sarcoma is 63%. But the prognosis depends on the stage at which the cancer was diagnosed. […] Based on the spread of the cancer, the five-year survival rate is: Localized (the tumor is only where the tumor began): 82% […] Regional (spread nearby): 71% […] Distant (metastasized to other areas or parts of the body): 39%.

• #3 Ewings Sarcoma Info Center

  https://www.thecharlielandersfoundation.org/ewings-sarcoma-info-center?srsltid=AfmBOoqlfwvPqk8t2T2RgGsgqfHYNmlQaohZmoq6n5RRRa_csLRXv4HG

  Early detection of Ewings Sarcoma can significantly improve the chances of successful treatment and long-term survival. […] Symptoms typically include persistent pain and swelling in the affected area, often near the site of the tumor. This pain may worsen at night or during physical activity. In some cases, a palpable mass or lump may be present. Other signs can include fever, fatigue, unexplained weight loss, and difficulty moving the affected limb if the tumor is near a joint. […] Recognizing these symptoms early and seeking medical evaluation promptly can make a crucial difference in managing the disease. […] The prognosis for Ewings Sarcoma varies depending on whether the cancer is localized or metastatic. Early detection and treatment improve the chances of successful outcomes.

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