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Lichen Planus. Presented by Dr. R. E. Barney.
Mrs. I. R., aged 41, had been under treatment for a latent syphilitic infection since September, 1925. Since 1922, she had noticed an asymptomatic eruption on the wrists and dorsa of the hands. It had first appeared during the course of what seemed to be a dermatitis caused by arsphenamine, while she had been under the care of another physician.On the dorsa of the hands, flexures of the wrists and to lesser extent on the flexor surfaces of the forearms, there was an eruption consisting of purplish-gray lesions varying in size from that of a pinhead to that of a small pea. Some of the lesions were distinctly papular, angular, flat-topped, shiny and umbilicated, and occasionally adherent scales were present. Some of the lesions were atrophic.One of the atrophic lesions showed the following histologic picture: The epidermis was thin, and
Parkhurst HJ, Driver JR. CLEVELAND DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1931;23(5):1005–1008. doi:10.1001/archderm.1931.03880230181023
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