What are the common physical findings of a Merkel cell carcinoma (MCC) tumor?

Updated: Jan 18, 2019
  • Author: Arjun S Joshi, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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MCC are typically painless, firm, shiny, raised intradermal nodules that vary from red to violet. The overlying epidermis is usually intact, though advanced lesions may become ulcerated. Ulceration suggests rapid growth, which is common with MCCs.

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