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A Case for Diagnosis (Lichenoid Eruption Due to Bismuth). Presented by Dr. Irving Bancroft.
O. D. B., a man aged 59, has been receiving intramuscular injections of a bismuth compound intermittently since May 1938. Since May 1939 the bismuth treatments have been given at weekly intervals. The history reveals that he bruised his anterior tibial regions in October 1938. This trauma resulted in the appearance of persistent erythematous areas that were apparently due to circulatory impairment. About three weeks ago numerous small, nonpruritic macules and papules appeared on the legs and buttocks.Examination shows diffuse erythematous plaques located on the anterior tibial regions. Small red papules and macules, 1 mm. to 3 mm. in diameter, cover the legs and buttocks. Some of the papules are flat topped and resemble lichen planus papules. The Wassermann reaction of the blood was positive in May 1938 and in May 1939.
Halloran C, Robinson SS. LOS ANGELES DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1940;42(2):356–367. doi:10.1001/archderm.1940.01490140120023
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