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Erythroplasia of the Penis. Presented by Dr. Otto E. L. Schmidt.
M. D., aged 69, complained of a lesion of the penis of two and one-half years' duration. At the beginning he noticed a grayish, scaly, wartlike lesion on the dorsal surface of the glans, which was tender and which had a red, raw-appearing, nonbleeding surface beneath. The lesion slowly enlarged peripherally and was red, scaling and sharply circumscribed. Three roentgen ray treatments were given by his physician, and three specimens of tissue were removed for biopsy.Examination reveals a well developed and well nourished man. The glans and the distal half of the penis are covered by a sharply circumscribed, dull red, scaling plaque. The edges of the prepuce are fused to the coronal sulcus in nearly the whole circumference. On the dorsum of the glans there is an area of infiltration about 1 cm. in diameter.Serologic tests