Approximately 53% of MCCs occur in the head and neck; 35% occur in the extremities. In the head and neck, 46% of tumors occur in the periorbital region; 29% on the cheek; 18% on the eyelid; and 17% on the forehead. Other sites in the head and neck include the lips (9%), ears (7%), nose and neck (5.4%), and scalp (4%).
For more on the background of MCCs, read here.
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Cite this: Elwyn C. Cabebe. Fast Five Quiz: How Much Do You Know About Merkel Cell Carcinoma? - Medscape - May 31, 2017.