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Nocardia brasiliensis Mycetoma. Presented by Lynne Diane Roe, MD (by invitation), Orville J. Stone, MD, James H. Graham, MD
The patient, a 65-year-old Mexican man, developed multiple granulomatous lesions on his left knee and leg during 1966. The first lesions appeared shortly after he injured his leg while working as a farm laborer in southern California. No cultures were taken at that time, but orally administered antibiotics led to healing of the lesions.In 1969, he was working as a gardener and sustained an injury from a broken lawn mower collection basket wire that penetrated his leg. Multiple draining lesions again developed. This time, cultures grew Nocardia brasiliensis. He was treated with 100 mg of dapsone daily. After six months of treatment the lesions improved, but he was not available for followup. In 1972, he sustained an injury to his left knee that eventually required surgical intervention and application of
Mihan R. LOS ANGELES DERMATOLOGICAL SOCIETY. Arch Dermatol. 1975;111(10):1371-1372. doi:10.1001/archderm.1975.01630220135025