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8433 Medicine

A 65-year old man presented with skin lesions on his chest and left arm and shoulder six weeks after returning from a cacation in Belize at the beach in the fain forest. The lesions occasionally stung, drained a dark exudates, and enlarged despite two weeks of treatment with cephalexin. The patient had no constitutional symptoms. Physical examination reveed five nodules of varying sizes with surrounding erythema and a central pore through which a single, moving larva was observed. The larvae coming out of the pores are-

ADermatobia hominis
BDiphyllobothrium latum
CLoa loa
DDracunculus medinensis
Medicine
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