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A Case for Diagnosis (Drug Eruption?). Presented by Dr. R. H. Rulison.
Mrs. J. K., aged 40, a housewife, has had a dusky red, oval, macular patch on her left cheek for two years. The lesion has varied in appearance from time to time and occasionally has almost disappeared. It has been treated by various physicians, and several diagnoses have been made. I consider the condition dermatitis medicamentosa due to the ingestion of phenolphthalein. The patient insists that she has not taken this drug during the past two years but says that she took it regularly before that.She took 3 grains (0.195 Gm.) of phenolphthalein at my request as a test, and no exacerbation of the eruption occurred.
Dr. George M. MacKee: As there is now little eruption, it is necessary to depend mainly on the history. There are still two or three areas of pigmentation where the
Rulison RH, Maloney ER. NEW YORK DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1934;29(5):789–800. doi:10.1001/archderm.1934.01460110147022
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