A 24-year-old Thai woman receiving corticosteroid treatment for systemic lupus erythematosus, developed pulmonary nocardiosis after pulmonary collapse. The correct diagnosis was reached when dissemination had occurred which was characterized by two subcutaneous abscesses and acute uveitis of the right eye. Gram stain of sputum and pus revealed delicate, branching, Gram-positive filamentous mycelia which were identified as Nocardia asteroides on culture. Subcutaneous abscesses and exophthalmos disappeared after one week of therapy and she made an uneventful recovery.
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