The American Society of Dermatopathology


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Interactive Case Study - March 2017

23-year-old immunocompromised female with asymptomatic dermal plaque on proximal thigh

Sabrina Szabo, DO; Nicholas Logemann, DO, FAAD


Question 0:

A 23-year-old immunocompromised female presents with 3 month history of asymptomatic 3cm erythematous, indurated flat plaque of the right medial thigh.  

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Figure 1. 2x upper


Figure 2. 2x lower

Figure 3. 10x 2


Figure 4. 20x


Figure 5. 40x

 
Which of the following is the best diagnosis?