How Is a Hyperplastic Polyp Diagnosed?


Quick Answer

Hyperplastic and other types of colon polyps are typically diagnosed through a sigmoidoscopy, colonoscopy or computed tomography colonography, according to WebMD. Most colon polyps are removed during a routine colonoscopy procedure and sent to a laboratory for microscopic analysis, as some polyps develop into cancer.

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Most often, hyperplastic polyps are not at risk for developing into colon cancer, states WebMD. However, some hyperplastic polyps, particularly large polyps that are located on the right side of the colon, should be removed immediately. A sigmoidoscopy is a test to examine the rectum and lower colon, while a colonoscopy examines the entire colon and rectum. During a sigmoidoscopy, tissue may be removed and sent to a laboratory for testing, and during a colonoscopy, entire polyps may be removed when required. A CT colonography is a type of X-ray that views the entire colon and is less invasive than a sigmoidoscopy or colonoscopy

Some people develop a condition called hyperplastic polyposis, which indicates the presence of multiple hyperplastic polyps, according to Johns Hopkins Medicine. The number of polyps ranges from six to 100 or more, and the condition is most common in adults from age 40 to 60. While genetics explain other types of polyp disorders, such as FAP, HNPCC and Peutz-Jeghers, the cause for hyperplastic polyposis is not known.

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