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?