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A Case for Diagnosis (Erythema ab Igne?). Presented by Dr. John F. Madden, St. Paul.
M. S., a girl aged 16, has congenital scoliosis with paraplegia and essential epilepsy. The nurse noticed a retiform erythematous macular eruption on the midportion cf the back on Nov. 1, 1937. The patient states that the eruption appeared suddenly and that neither heat nor local medication had been applied. She had been getting phenobarbital at the time, but she had been taking this drug previously for eighteen months. The eruption is retiform, macular and deep brown.A histologic section was shown.
Dr. Carl Laymon, Minneapolis: This case might possibly be one of post-inflammatory melanosis, in view of the fact that there is a history not of the application of heat but of an erythematous eruption following medication. The localization, however, does not fit such a diagnosis. Clinically the pigmentation is not unlike
Brunsting LA, Lynch FW. MINNESOTA DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1938;38(3):478–482. doi:10.1001/archderm.1938.01480150152022