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Lupus Vulgaris (Psoriasiform). Presented by Dr. Chambers.
The patient, aged 50, a native of Germany, who had been in this country for seventeen years, complained of an eruption of forty-five years' duration. Nodular lesions were located on the chin and in the left cubital region. The biopsy showed a typical tuberculosis; the results of guinea-pig inoculation have not been reported.
Dr. Weidman: I agree with the diagnosis. I saw the sections—classic tuberculosis with necrosis in the center of the granulomatous infiltrations. Clinically, the lesions at the bend of the elbow show a large amount of scaling, and if it were not for the telltale translucent nodule-like lupus tumidus on the periphery, one might think this was one of those cases of lupus vulgaris erythematoides of Leloir in a rather unusual position. The lesion on the chin might cause a great deal more difficulty in making a diagnosis. This illustrates
Wright CS. PHILADELPHIA DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1929;19(1):131–133. doi:10.1001/archderm.1929.02380190134012
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