Biopsy of this lesion reveals massive papillary dermal edema, a diffuse neutrophilic infiltrate, and a lack of vasculitis. Stains for infectious organisms are negative. What is the first line treatment? A. Dapsone B. Colchicine C. Thalidomide D. Potassium iodide E. Prednisone To find out the correct answer and read the explanation, click here. Brought to you by our Brand Partn …

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