A 37-year-old male with a past medical history of notable IBD was presented with extremely painful leg ulcers on bilateral ankles, which have developed rapidly over the last 2 weeks. Examination Patient consumes 6- mercaptopurine for IBD. Review of 1-month history indicates weight loss, fatigue, and bloody diarrhea-consistent with his IBD flares. Ulcers are 2*6cm in size with violaceous, undermined border and sieve-like ulceration within Reports rapid progression of the ulcers over the past 2 days.

Skin biopsy was performed to exclude infectious or other inflammatory etiology. What is the most likely diagnosis? *This case is from Docplexus editorial team for educative purpose only. Source: Dermquest Stay connected, the answer will be posted in next 48h!