A sessile serrated polyp is a type of polyp — a small growth that develops on the inner lining of the colon or rectum. These polyps are not cancerous, but they are considered precancerous, which means they can develop into cancer over time if they are not removed. Most sessile serrated polyps are found during …
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A gastrointestinal stromal tumor, or GIST, is a type of cancer that starts in the wall of the digestive tract. The most common locations are the stomach and small intestine, but GISTs can occur anywhere from the esophagus to the rectum. GISTs are distinct from other gastrointestinal cancers because they arise from specialized cells called …
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A villous adenoma is a type of polyp that forms on the inner lining of the large intestine, which includes the colon and rectum. It is made up of abnormal glandular cells that grow in long, finger-like projections called villi. These polyps are considered precancerous, meaning they are not cancer, but the abnormal cells have …
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A tubulovillous adenoma is a type of polyp that develops on the inner lining of the large intestine, which includes the colon and rectum. It is composed of abnormal glandular cells that form both tube-shaped structures (known as tubular architecture) and finger-like projections (referred to as villous architecture). Tubulovillous adenomas are considered precancerous because, over …
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A well-differentiated neuroendocrine tumour (NET) is a type of tumour that starts from specialized neuroendocrine cells in the lining of the colon or rectum. Neuroendocrine cells are found throughout the digestive tract and help regulate functions such as digestion by releasing hormones in response to nervous system signals. When these cells grow abnormally, they form …
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