Merkel cell cancer natural history

Merkel cell cancer Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ahmad Al Maradni, M.D. [2]

Overview

Merkel cell carcinoma is a highly aggressive tumor with a mortality rate that approaches 30% to 40% within 3 years of diagnosis. If diagnosed early, Merkel cell cancer has a good prognosis with a 5-year survival rate of approximately 90%.

Prognosis

• Merkel cell carcinoma is a highly aggressive tumor with a mortality rate that approaches 30% to 40% within 3 years of diagnosis. If diagnosed early, Merkel cell cancer has a good prognosis with a 5-year survival rate of approximately 90%.
• The prognosis depend on the following:

• Stage at diagnosis (most important prognostic factor)
• Cancer location
• Cancer depth
• Primary vs. recurrent