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January 1925

Society Transactions

Arch Derm Syphilol. 1925;11(1):118-142. doi:10.1001/archderm.1925.02370010131008

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Parapsoriasis Guttatta with Leukoderma. Presented by Dr. Butler.  A boy, aged 9, presented a disorder which has been present for eighteen months. The eruption was located on the trunk and upper limbs and extended over the neck. It consisted of pale pink pea-sized papules, and the surface of each papule was covered with a thin grayish scale. The sites of involuted lesions on the neck were marked by the depigmentation of leukoderma.

DISCUSSION  Dr. Butler said that he considered this an unusual case, but he felt sure that it was one of parapsoriasis with depigmentation of the skin. Twelve or fifteen similar cases had been reported, principally in European countries. Dr. Michelson had recently written an interesting paper on this condition.Dr. Michelson said that leukoderma in parapsoriasis was frequently reported in the meetings of the Vienna Dermatological Society, and they had

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