Skin Biopsy

What is the test?

Doctors take biopsies of areas that look abnormal and use them to detect cancer, precancerous cells, infections, and other conditions. For some biopsies, the doctor inserts a needle into the skin and draws out a sample; in other cases, tissue is removed during a surgical procedure.

For this test, abnormal areas of skin are removed to test for cancer or other skin diseases.

How do I prepare for the test?

Tell your doctor if you have ever had an allergic reaction to the medicine lidocaine or similar types of local anesthesia.

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