During a punch biopsy, your health care provider uses a special circular blade to remove deeper layers of skin for testing. Depending on the size, stitches may be necessary to close the wound.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Make a gift to our 2025 Drive to Cure Cancer and transform the way cancer is treated and defeated.