A 67-year-old man clinically diagnosed a year earlier with sarcoidosis based on low-grade fever, lymphadenopathy, trunk skin rash, and histopathological skin tests was admitted for newly developing subcutaneous nodules on the trunk and arms and fever of 38 degrees C. Although initially suspected of recurrent sarcoidosis, he was diagnosed with Mycobacterium chromogenicum infection isolated from skin lesion culture. Combined clarithromycin of 800 mg/day, ethambutol of 750 mg/day, and embiomycin of 0.5 g/day was started, after which fever declined and WBC count and CRP decreased to normal in a week. One month later, skin lesions had disappeared. This case is interesting considering the association of nontuberculous mycobacterial infection with sarcoidosis.
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