Recurrent Keratoacanthoma
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Keywords
recurrent keratoacanthoma, methotrexate, squamous cell carcinoma
Abstract
Keratoacanthoma (KA) is a cutaneous squamoproliferative tumor with multiple etiologies suggested. KA can have a benign course, resolving spontaneously, but because it can rarely metastasize, some consider it to be a form of squamous cell carcinoma (SCC). We report a 65-year-old Caucasian male diagnosed with KA in the conch of the left ear, which initially resolved with intralesional methotrexate, but eventually recurred.
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