The American Society of Dermatopathology

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Interactive Case Study - September 2013

Mass on the foot of a 5-year-old girl

Amy M. Kerkvliet, MD; Tammie C. Ferringer, MD

Question 1:

A 5-year-old female presented with a mass on the medial plantar aspect of the right foot. The histopathology of the biopsy is shown below (Figures 1-3).

Figure 1. H&E, 20x

Figure 2. H&E, 100x

Figure 3. H&E, 400x

Which of the following is the best diagnosis?