What's your diagnosis?
A 20-year-old man presented with progressively enlarging, painful lesions on the arm with a crawling sensation of 3 weeks’ duration. The lesions appeared after a recent trip to Brazil where he was hiking in the Amazon. He noted that the pain occurred suddenly and there was some serous drainage from the lesions. He denied any trauma to the area and reported no history of similar eruptions, treatments, or systemic symptoms. Physical examination revealed 2 tender erythematous nodules, each measuring 0.6 cm in diameter, with associated crust and a reported crawling sensation on the posterior aspect of the left arm. No drainage was seen. A punch biopsy was performed. What's your diagnosis? A. cutaneous furuncular myiasis B. cutaneous larva migrans C. gnathostomiasis D. loiasis E. tungiasis
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