The American Society of Dermatopathology

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Interactive Case Study - April 2021

Multinodular plaque on the scalp of a 60-year-old male ‎

Develyn Vetos, MS IV; Amy M. Kerkvliet, MD

Question 1:

A shave biopsy was performed on a 60-year-old male with a firm, skin colored to erythematous multinodular appearing plaque on the left occipital scalp (Figures 1- 7). The patient’s past medical history was significant only for hypertension and hypercholesterolemia. 

Click the picture below to view the virtual slide.

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7. 

Which of the following is the best diagnosis?