Rectal biopsy

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Anal biopsy

Biopsy - rectum

The anus and rectum appear normal in size, color, and shape. There should be no evidence of bleeding, polyps, hemorrhoids, or other abnormalities. On microscopic examination of biopsy tissue, no abnormalities should be noted.

This test is one of the more common means to confirm amyloidosis. It also determines the specific causes of abnormal conditions of the rectum, such as colitis. Other findings could include colorectal polyps, abscesses, inflammation, infection, hemorrhoids, or tumors.

Additional conditions under which the test may be performed include the following:

• Hirschsprung's disease
• Ulcerative colitis
• Crohn's disease

Review Date: 10/16/2006
Reviewed By: J.A. Lee, M.D., Division of Surgery, UCSF, San Francisco, CA. Review provided by VeriMed Healthcare Network.