is a polyp a tumor?
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Polyps (abnormal growths of tissue protruding from the lining of the gastrointestinal tract) can occur in the small bowel and are usually benign, although some can develop into malignant tumors. Patients with rare hereditary conditions, such as Familial Polyposis Syndromes, may have multiple small bowel polyps.
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Most benign polyps are classified as one of two types: adenomatous (adenomas) and hyperplastic. Adenomatous polyps (adenomas) of the colon and rectum are benign (noncancerous) growths, but may be precursor lesions to colorectal cancer.
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A tumor can be benign (not dangerous to health) or malignant (has the potential to be dangerous). Benign tumors are not considered cancerous: their cells are close to normal in appearance, they grow slowly, and they do not invade nearby tissues or spread to other parts of the body. Malignant tumors are cancerous.
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Cervical polyps consist of excess cervical cells that “pile up” within the cervical canal. They appear as bright red tubelike protrusions from the cervical opening, either alone or in clusters. Polyps are very common and usually benign.
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Both pedunculated and sessile polyps can turn into benign (non-cancerous), precancerous and cancerous polyps. It's important to know your polyp type – such as hyperplastic, inflammatory, hamartomatous, adenomatous, hyperplastic and sessile serrated polyps – to know your cancer risk.
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Not all polyps will turn into cancer, and it may take many years for a polyp to become cancerous. Anyone can develop colon and rectal polyps, but people with the following risk factors are more likely to do so: Age 50 years and older. A family history of polyps or colon cancer.
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Mutations in certain genes can cause cells to continue dividing even when new cells aren't needed. In the colon and rectum, this unregulated growth can cause polyps to form. Polyps can develop anywhere in your large intestine. There are two main categories of polyps, non-neoplastic and neoplastic.
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A colon polyp is a small clump of cells that forms on the lining of the colon. Most colon polyps are harmless. But over time, some colon polyps can develop into colon cancer, which is often fatal when found in its later stages.
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Most colon polyps are found during tests for colorectal cancer. Unless the polyps are large and cause bleeding or pain, the only way to know if you have polyps is to have tests that explore the inside of your colon. Several tests can be used to detect colon polyps.
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Most colon polyps are harmless. But over time, some colon polyps can develop into colon cancer, which is often fatal when found in its later stages. There are two main categories of polyps, non-neoplastic and neoplastic. Non-neoplastic polyps include hyperplastic polyps, inflammatory polyps and hamartomatous polyps.
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Villous Adenoma (Tubulovillous Adenoma) Approximately 15 percent of polyps detected in colon cancer screening are villous or tubulovillous adenomas. This type of polyp carries a high risk of turning cancerous. They are commonly sessile, which makes them more difficult to remove.
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Although most colon polyps are benign—meaning they're essentially harmless—some may become cancerous over time. As a result, you really don't want them hanging around. “They all need to be removed, because you can't look at a polyp and tell with certainty which will become cancer and which won't,” said Dr.
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Some colon polyps are benign, which means they are not cancerous, but some can be precancerous or cancerous. The relationship of certain polyps to cancer is well established. Polyps can usually be removed during colonoscopy.
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A tumor is an abnormal lump or growth of cells. When the cells in the tumor are normal, it is benign. Something just went wrong, and they overgrew and produced a lump. When the cells are abnormal and can grow uncontrollably, they are cancerous cells, and the tumor is malignant.
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In most cases, polyps don't cause symptoms and are usually found on routine colon cancer screening exams. However, if you do experience symptoms, they may include: blood in the stool or rectal bleeding. pain, diarrhea, or constipation that lasts longer than one week.
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Colon cancer and polyps: Benign tumors of the large intestine are called polyps. Malignant tumors of the large intestine are called cancers. Benign polyps do not invade nearby tissue or spread to other parts of the body. Benign polyps can be easily removed during colonoscopy, and are not life threatening.