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Pityriasis Rubra Pilaris. Presented by Dr. E. Z. Shapiro, Duluth.
This boy, aged 2 years, has an eruption which appeared six months after an attack of whooping cough. The distribution is symmetrical, and the lesions are follicular papules through each of which can be seen hair with a slight gray scale around it. These lesions are reddish yellow and about the size of a pin-head; some are larger. In some places they are discrete and in others confluent. The areas involved are the scalp, neck, chest, forearms and hands. The lesions on the first and second phalanges show the characteristics described. The palms and soles are scarcely affected. The patient's general appearance is good.
Dr. H. E. Michelson, Minneapolis: I think that the diagnosis of pityriasis rubra pilaris is correct. The masklike features, the cerise color of the eruption and the small papules at the border of the
Lynch FW, Winer LH. MINNESOTA DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1937;35(3):502–507. doi:10.1001/archderm.1937.01470210128015
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