The American Society of Dermatopathology

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Interactive Case Study - June 2022

Small Finger Mass on a 44-Year-Old Male

Develyn Vetos, MD; B. Joel Tjarks, MD; Nicholas Olson, MD

Question 1:

An excisional biopsy was performed on a 44-year-old male with a small finger mass (Figures 1-3).  
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Figure 1 

Figure 2 

Figure 3 

Which of the following is the best diagnosis?