The signs of small bowel cancer are not always obvious. Those with bowel cancer may not show any symptoms at all, but a physician can tell if a patient has small bowel cancer through a variety of tests. Your doctor will ask about your medical history and any current or past symptoms to determine if you might be at risk for this disease. Your doctor will also likely order imaging tests to take pictures of your small intestine. These tests will detect whether cancer cells have spread throughout your bowel.
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A cancer of the small intestine is classified into several stages based on how far it has spread. At this stage, the cancer has spread to one or more regional lymph nodes, or to the peritoneum, which covers most of your abdominal organs. Stage IIIA tumors are often well differentiated from healthy tissue, while poorly differentiated cancerous tissue has fewer distinct characteristics. A higher grade indicates how quickly cancer cells are invasive.
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The symptoms of small intestine cancer vary depending on the type of tumor and where it is located. Some tumors do not cause any symptoms at all, such as a carcinoid, so they may be discovered accidentally during an imaging test. However, the most common signs of small intestine cancer are abdominal pain, which may be intense and occur after eating. Inflammatory or bloody stool, which can be either black or tarry, can also be signs of small bowel cancer.
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Leiomyomas are tumors of the muscle layers of the small intestine. These tumors often grow into the lumen of the bowel, causing symptoms such as ulceration, bleeding, and anemia. Leiomyomas are difficult to diagnose and may require endoscopic ultrasound to pinpoint the tumor. Surgical resection of leucosal tumors is the standard of care for these types of cancer.
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Radiation therapy may be necessary to kill the remaining cancer cells. After a surgical procedure, radiation therapy may be recommended to kill cancer cells in the surrounding lymph nodes and liver. Treatment is highly dependent on the stage of the disease and its location, but early diagnosis increases the chances of survival. You may be eligible for clinical trials to find the best treatment for your specific case. If you suspect that you may have small bowel cancer, visit a doctor as soon as possible.
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Thankfully, small intestine tumors are relatively uncommon and usually silent for many years. In fact, nearly half of the small bowel tumors that are found are discovered in an incidental procedure or imaging. There are a number of small bowel cancer symptoms, including abdominal pain, bleeding, and weight loss. Small bowel tumors may also become ulcerated, obstruct the bowel, and cause ulcers.
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Patients with Peutz-Jeghers syndrome commonly experience multiple episodes of colicky abdominal pain and bleeding. In some cases, a tumor in the duodenum can block the bile duct, preventing the contents of the liver from entering the intestine. However, jaundice is most likely a result of a more serious health problem, so it’s important to have it checked. If it’s cancer, treatment can help you avoid serious complications and prolong your life.
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Some people have inherited a genetic mutation that increases their risk of small bowel cancer. This mutation can cause the cancer cells to multiply rapidly, causing a mass. Those cancer cells may break off from the primary tumor and travel through the blood and lymph nodes to other parts of the body. They may spread to the liver, ovaries, or uterus. The genetic mutation that causes the cancer cells to grow out of control is unknown.
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The first step in diagnosing small bowel cancer is getting a proper diagnosis. The cancer cells will have changed DNA, which is a series of instructions that tell cells how to grow. When healthy cells divide and grow, they divide in an orderly manner. Cancerous cells, however, continue to divide even when they aren’t needed, accumulating in the small intestine until they form a mass. Then, the cancer cells can spread throughout the body and invade healthy tissue.