(BMJ) - A 40-yo man presented w/ a lesion on his nose 1 wk after cutting it while swimming in a pool. It began as a pustule and progressed to an inflammatory nodule. Biopsy showed caseating granulomata. What is the diagnosis?
Schistosomiasis
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Epidermal cyst
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Histoplasmosis
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Mycobacterium marinum
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Foreign body reaction
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