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A Case for Diagnosis. Presented by Dr. Guy and Dr. Jacob.
A Spaniard, aged 38, presented an eruption of five years' duration, limited to the scalp and back. On the scalp there were numerous infiltrated plaques and two large plaques over the ears that were definitely verrucous. On the back there were a few scale covered, infiltrated papules, suggesting psoriasis or seborrheic dermatitis, and several other plaques with dry verrucous surfaces. Subjective sensations were lacking. Biopsy showed a condylomatous epidermis with edema and an infiltration limited to the papillary layer. The elements of the infiltration comprised small round cells and fibroblasts with a few plasma cells and multinucleated cells. Degeneration of the elements of the infiltration could be noted.
Dr. Beinhauer: The case presented many possibilities, syphilis and mycosis fungoides being most likely. The lesions on the scalp with circinate or serpiginous outlines and a tendency to nodular make-up
Hollander L. PITTSBURGH DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1926;13(2):260–263. doi:10.1001/archderm.1926.02370140126017