The American Society of Dermatopathology

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Interactive Case Study - June 2019

53-year-old woman with a lesion on the left wrist

Jyoti P. Kapil, MD; Mark Matthews, MD

Question 1:

A 53-year-old woman presented with a history of a “cyst” on the left wrist that had been present for 3 years and recently enlarged. It was frequently traumatized due to size (nearly 3 cm).

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What is the best diagnosis?