Interactive Case Study - April 2020

Question 1:

A 23-year-old female presented with a 4-month history of many tender erythematous nodules and plaques over the medial thighs and volar forearms that would resolve with post-inflammatory hyperpigmentation over weeks (Figures 1 and 2).  A punch biopsy from the right volar forearm was performed at presentation.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5


 
Which of the following is the best diagnosis?

A.	Cutaneous leishmaniasis

B.	Discoid lupus erythematosus

C.	Erythema nodosum

D.

Leprosy

E.	Sarcoidosis