The symptoms of small bowel cancer may be vague or even indicative of another health problem. In addition, some of the symptoms of small bowel cancer may mimic symptoms of other diseases. As such, it’s important to know how to distinguish between the symptoms of small bowel cancer and other digestive problems. Because some of the causes are unknown, small bowel cancer symptoms may depend on the location and size of the tumor. If the tumor is large or has penetrated nearby lymph nodes, symptoms may differ significantly from each other.
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Depending on the type of cancer, small bowel cancer can spread to 1-3 regional lymph nodes or to distant organs. The cancer may also spread to nearby organs, including the liver, kidney, and lungs. In addition, the disease may invade the lining of the belly, including the colon. Once discovered, small bowel cancer can spread throughout the body, causing discomfort and a weakened immune system.
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Inherited diseases such as celiac disease or Lynch syndrome increase the risk of developing small bowel cancer. Those with inherited diseases, such as familial adenomatous polyposis, may also be at a higher risk for the disease. Those with inflammatory bowel diseases (Crohn’s disease, celiac disease), and HIV/AIDS may also be at risk.
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The two most common forms of small bowel cancer are polypoid and endoexoenteric. The former is the most common type, with a polyp protruding into the small bowel lumen. In the former, it can cause intermittent intussusception or bowel obstruction. The latter is characterized by a large soft-tissue mass communicating with the bowel lumen, representing a closed-off local perforation. Occasionally, contrast material or gas may be seen within the soft-tissue mass, but this should be ruled out as an abscess. In addition, patients with an associated lymphadenopathy may be at a higher risk for this type of cancer.
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A CT scan of the abdomen may also be done. It shows whether the cancer has spread throughout the body and may be affecting the digestive system. An endoscopy may be followed by a CT scan. The doctor can also perform an abdominal X-ray, which takes pictures of the small intestine. A CT scan is the most common imaging method for small bowel cancer. It can also be done through surgery.
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Often, small bowel cancer is difficult to diagnose because of its nonspecific symptoms. Non-specific symptoms may confuse patients with other conditions of the small intestine. However, certain symptoms can indicate small bowel cancer. These include bleeding, black stools, and vomiting with blood. If you experience any of these signs, it’s important to seek medical attention right away. These symptoms may be indicative of another medical condition, such as a stomach virus.
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Most small bowel tumors are asymptomatic or have a vague clinical manifestation. In some cases, patients experience intermittent abdominal pain and vomiting, as well as weight loss. More severe tumors may cause gastrointestinal bleeding, jaundice, and obstruction. The symptoms of small bowel cancer will depend on the size and type of the tumor. The sooner you diagnose small bowel cancer, the better. It’s important to have an expert evaluate your bowel and digestive tract to rule out any underlying conditions.
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There are two types of small bowel tumors: adenocarcinomas and adenomas. Adenomas are usually present at an ampulla in the duodenum. Other causes include Crohn’s disease, celiac sprue, and neurofibromatoses. Adenocarcinomas are usually diagnosed with an abdominal CT scan, but there are other methods of diagnosis.
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A doctor may use a thin flexible tube called an endoscope to examine the bowel. It is inserted into the digestive tract under sedation. A small camera and light are attached to the endoscope. The camera sends pictures to a recorder around the waist or over the shoulder. This recorder passes out of the body after a day. The results of the endoscopy are used to diagnose and monitor small bowel cancer.
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There are also several other types of small bowel cancer. The most common type of small bowel cancer is adenocarcinoma, which forms in the cells that produce mucus and release fluid. Other types include carcinoid tumours, which start in the connective tissues that support the body. Small bowel cancers can also develop in the nerve cells in the small intestine, as in the case of lymphoma.
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Large polyps are removed surgically, while smaller ones are usually removed with an endoscope. Some patients with polyps can also undergo CT scans and MRIs, which can reveal multiple polyps. For large polyps, surgery is usually reserved for the most severe and dangerous polyps. Because polyps in the colon can be premalignant, it’s also necessary to undergo regular examinations to check for changes.
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