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Eric J. Vondrak, DO

Eric J. Vondrak, DO, Philip R. Cohen, MD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
A 73-year-old African American man presented with a dark keratotic plaque on the anterior surface of his ear. He also had white patches with central erythematous areas on his face and scalp that had been present for several year
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