This is a picture of squamous cell skin cancer on the hands. Squamous cell carcinoma is one of the three most common types of skin cancer: basal cell, squamous cell, and melanoma. Squamous cell cancers can metastasize (spread) and should be removed surgically as soon as they are diagnosed.
Review Date 8/14/2021
Updated by: Elika Hoss, MD, Senior Associate Consultant, Mayo Clinic, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. Editorial update 04/14/2022.