2024年7月12日 · Polyps in the colon and rectum (together called colorectal polyps) are common in people over age 50. They are usually noncancerous, but certain characteristics can increase the likelihood of a polyp becoming cancerous. The risk of a …

2019年4月26日 · What sigmoid colon problems can arise? Polyps are lumps of tissue in the colon, most of which are not cancerous. Anyone can get them, but they are more likely to form as you get older....

The ascending colon, transverse colon, descending colon, and sigmoid colon are the parts of the colon after the cecum. The colon ends at the rectum, where waste (stool) is stored until it leaves the body through the anus. A polyp is a projection (growth) from the inner lining into the lumen (hollow center) of the colon or rectum.

Like a colonoscopy, this uses a small tube with a light and camera but examines just the last third of your colon, called the sigmoid. Most of the colon is not seen with this screening test, so some polyps and cancers may not be found.

2024年2月14日 · Many polyps on the right side of the colon are sessile serrated adenomas. These are flat and harder to detect during a colonoscopy. Because of this, right-side colon cancers are often diagnosed at advanced stages and may be harder to treat.

2024年1月30日 · Conditions that can affect the sigmoid colon include colon cancer, colon polyps, inflammatory bowel disease, irritable bowel syndrome, fistulas, and volvulus. A sigmoid colon condition can be diagnosed with a variety of tests, including …

2022年6月1日 · Polyps come in three basic shapes, says Dr. Gunter. They are: Sessile polyps are dome-shaped and grow flat on your colon wall. About 85% of polyps are in this group. Sessile polyps can be snared and removed somewhat easily in a colonoscopy, though larger ones are typically taken out in pieces.

Polyps call benign small tumors located in the sigmoid colon, large intestine or rectum. Polyps can be formed in groups or singly and are more common in elderly people. The main danger of the sigmoid colon polyps is that the neoplasm can degenerate into a malignant tumor and lead to intestinal cancer.

Colon polyps don't usually cause symptoms. It's important to have regular screening tests because colon polyps found in the early stages can usually be removed safely and completely. The best prevention for colon cancer is regular screening for and removal of polyps. Most people with colon polyps do not have any symptoms.

2025年2月13日 · Sigmoid colon: the lower part near the rectum; The rectum is the final section of the digestive tract, connecting the colon to the anus. Polyps are most commonly found in the sigmoid and descending colon, likely due to how stool moves through these areas. They can also develop in the ascending colon, though less common. Types of Colon Polyps