The American Society of Dermatopathology

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Interactive Case Study - September 2015

Solitary nodule on the left calf of an elderly male

Stephen Hammond, MD; Michael Viglione, MD

Question 1:

80-year-old man with a greater than 15-year history of non-painful non-tender 7-mm nodule on his left calf.

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Which of the following is the best diagnosis?