Glomerular involvement in disseminated nontuberculous mycobacterium infection

A 75-year-old man with known sarcoidosis was admitted with persistent fevers lasting for 3 weeks before admission. Sarcoidosis was diagnosed 3 years previously, and the patient had been treated with steroid therapy. Despite extensive investigation, the origin of his fever remained unknown. Even with empirical antibiotic therapy and additional steroids, his fevers persisted, and kidney function declined rapidly. On the 31st admission day, growth...