The procedure for a polyp biopsy depends on the location of the polyp. Common methods include:
- Colonoscopy or Sigmoidoscopy: For polyps in the colon or rectum, a flexible tube with a camera (colonoscope or sigmoidoscope) is inserted through the rectum. Special instruments are used to remove the polyp or take a tissue sample.
- Gastroscopy: For polyps in the stomach or upper digestive tract, a flexible tube with a camera (gastroscope) is inserted through the mouth. Instruments are used to biopsy the polyp.
- Nasal Endoscopy: For nasal polyps, a thin tube with a camera (endoscope) is inserted through the nose to take a sample.
- Hysteroscopy: For polyps in the uterus, a thin tube with a camera (hysteroscope) is inserted through the vagina to take a sample. The removed tissue is then sent to a laboratory for histopathological examination.