What kind of biopsies are used for melanoma?

This video is from the Animated Patient's Guide to Melanoma https://www.YouAndMelanoma.com, developed by the Melanoma Research Foundation (MRF) and Mechanisms in Medicine Inc.
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Video description:
Jeffrey Weber, MD, PhD, explains the different kinds of biopsies used to diagnose melanoma, including a punch biopsy and an excisional biopsy. He also explains the factors that help the doctor determine what type of biopsy is needed for diagnosis.