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Pityriasis Rosea in a Negro. Presented by Dr. Arthur E. Schiller.
A Negro, aged 40, presented a generalized pruritic eruption which had begun six months previously with a patch on the forehead, which was rusty in color and over which a silvery scale had developed. In the order mentioned, the cheeks, arms, forearms, anterior part of the chest, abdomen, flanks and interscapular region had been involved. There were few lesions on the thighs and legs. Most of the lesions were oval macules, their long axes following the lines of skin cleavage. The healed lesions were violaceous, and others presented a furfuraceous scale.
Dr. Harther L. Keim:
Recently my associates and I have been seeing a number of cases which we considered to be aberrant pityriasis rosea, and I should like to know whether others have had a similar experience. We have often seen typical pityriasis rosea on the trunk
Parkhurst HJ, Troxell EC. DETROIT DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1933;28(1):127–129. doi:10.1001/archderm.1933.01460010130022