The American Society of Dermatopathology

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Interactive Case Study - January 2013

A slowly growing red nodule on the hand

Carrie Kovarik, MD; Karolyn Wanat, MD

Question 1:

A 60-year-old woman presented with a red nodule on her hand that was painful and slowly growing. The histopathology is shown below (Figures 1-3).

Figure 1


Figure 2


Figure 3

Which of the following is the best diagnosis?