The American Society of Dermatopathology

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Interactive Case Study - August 2018

An Erythematous, Friable, Pedunculated Papule on the Abdomen

Christina DiCarlo MD; Eric Hossler, MD

Question 1:

A 28-year-old healthy female presented with a 1-cm erythematous, friable pedunculated papule on the upper abdomen at the site of a prior trauma.

Click this photo to view the virtual slide

Figure 1. 20X

Figure 2. 100X

Figure 3. 200X

Figure 4. CD34, 40x

Figure 5. CD3, 40X

Figure 6. CD20, 40X

Which of the following is the best diagnosis?