What Is a Polyp Biopsy?

A polyp biopsy is a medical procedure in which a small tissue sample is taken from a polyp for examination under a microscope. Polyps are abnormal growths that can develop in various parts of the body, such as the colon, stomach, nasal passages, or uterus. The biopsy helps determine whether the polyp is benign (non-cancerous), precancerous, or malignant (cancerous).