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| Clinical description: The leukoplakic and erythroplakic lesions noted on the oral mucosa of this 60 year old black male have been present about 5 days, according to the patient. His past medical history is significant for a left below the knee amputation. He is currently taking NPH Iletin I once per day, 1 baby aspirin per day and today he took the last pill of a 2 week course of ampicillin, 250mg q.i.d., given for a sinus infection. |
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| Histologic findings: 1-H&E slide of biopsy, 1- silver stain biopsy, 1-cytologic smear |
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