MALIGNANT DYSKERATOSIS, ERYTHROPLASIA OF QUEYRAT TYPE

Abstract
Erythroplasia is a malignant dyskeratosis of unknown etiology, first described in 1893 by Fournier and Darier,1who designated it as épithéliome papillaire. The name erythroplasia was suggested in 1911 by Queyrat,2who described in detail several cases of what appeared to be an identical condition. Sulzberger and Satenstein3reported the first case in the American literature in 1933; we have found accounts of 18 additional cases, for the most part in society transactions (table).4This report adds 1 more case to the slowly growing number. REPORT OF CASE History.—T. R., an unmarried white man aged 71, was first seen in the dermatologic clinic of the Cincinnati General Hospital on Jan. 10, 1947; he was referred from the genitourinary clinic (where he was being treated for multiple urethral strictures) because of a persistent erythematous patch on the dorsum of the glans penis. The lesion was

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