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A Case for Diagnosis. Presented by Dr. Strauss.
A man, aged 20, had a birthmark about the size of a quarter, a brown pigmented mark, which in the last few years had grown to the diameter of a baseball. After hearing Dr. Klauder's paper in Erie on Tuesday, the case struck me as interesting. I should like to have his opinion on it.
Dr. Klauder: This picture of a pigmented nevus, the surface of which is studded with fibroma-like nodules is unusual. I have never seen a similar case, and cannot recall seeing a similar description in the literature. The history of enlargement and the appearance of nodules justify the thought that the condition is malignant. However, I do not believe it is. The long duration from four to six years, the absence of glandular involvement and the fact that the nodules are neither deeply pigmented nor infiltrated are
Wright CS, Strauss A. PHILADELPHIA DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1930;21(3):490–492. doi:10.1001/archderm.1930.01440090138012
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