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Sensitivity to Paraphenylenediamine and to Unrelated Azo Dyes. Presented by Dr. Samuel M. Peck.
S. B., a woman aged 41, is presented from Mount Sinai Hospital. In July 1947 she acquired dermatitis over sites where stockings are worn and in the elbow flexures. Patch tests at that time were positive to paraphenylenediamine (4 +) and to her nylon hose (2 +). This attack cleared up. In May 1948 there was a recurrence of the dermatitis on the legs, dorsa of the feet and buttocks. Patch tests to new nylon hose and other materials were negative, except for a positive reaction to leather from a black shoe. The patient was admitted to the hospital in September 1948 with a generalized dermatitis which cleared up in several weeks. Results of patch tests were as follows: with paraphenylenediamine, 3 +; with methyl red, 3 +, and with methyl orange, 1 +.
Dr. Samuel M. Peck: Dr. C.
Samuel M. Peck, Anthony C. Cipollaro. NEW YORK ACADEMY OF MEDICINE, SECTION OF DERMATOLOGY AND SYPHILIS. Arch Derm Syphilol. 1950;62(2):347–350. doi:10.1001/archderm.1950.01530150169022