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Pityriasis Lichenoides Chronica (?). Presented by Dr. Klauder.
J. I., a white man, aged 30, had had an eruption for two weeks. It was first regarded as a maculopapular type of syphilis, but there was not a primary lesion, and the Wassermann reaction was negative. The second diagnosis was pityriasis lichenoides chronica of Juliusberg. Some of the lesions were infiltrated, and some slightly scaly. They were mildly pruritic.
Dr. Brown: I consider this to be secondary syphilis, in spite of the negative Wassermann reaction. There is epitrochlear enlargement.Dr. Weidman: I do not think it is syphilis. Some of the infiltrations are too deep and too definite for the Juliusberg form of parapsoriasis. I think this may be referable to some internal disturbance, expressing itself in a papular eruption. Perhaps it is an expression of a toxic state.Dr. Schamberg: I agree that it is not syphilis, and because of
Hirschler R. PHILADELPHIA DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1927;15(6):721–727. doi:10.1001/archderm.1927.02370300079013