A 73-year-old woman complained severe itching and intense blisters on her forearms, lower back, and legs for the last 2 weeks. Examination The blisters were erythematous and tender as seen in Panel A. Laboratory findings included eosinophilia and autoantibodies to bullous pemphigoid antigen 230. Histological analysis indicated Subepidermal blistering and eosinophil accumulation (Panel B) Linear fluorescence of IgG and complement C3 at the dermo-epidermal junction on a direct immunofluorescence assay (Panel C) was noted.
What is the most likely diagnosis? *This case is from Docplexus editorial team for educative purpose only. Source: NEJM Stay connected, the answer will be posted in the next 48h!
