Abstract
A 56-year-old male with pulmonary tuberculosis was admitted to our hospital for evaluation of generalized edema. He began antituberculosis treatment with rifampin, isoniazid, ethambutol, and pyrazinamide. He experienced abnormal increments in weight and serum creatinine after 6 weeks. All serological findings, including anti-neutrophil cytoplasmic antibodies (ANCA), were negative. Rifampin was stopped because it might have caused the increase in creatinine. Renal biopsy was consistent with pauci-immune crescentic glomerulonephritis (CrGN). His renal function was improved by high-dose steroid treatment. Rifampin-induced, ANCA-negative pauci-immune CrGN is very rare; most cases of rifampin-induced acute renal failure are due to acute tubulointerstitial nephritis. We present here a case of rifampin-induced CrGN and pulmonary tuberculosis successfully treated with high-dose steroids and antituberculosis medications, excluding rifampin. (Korean J Med 2012;82:236-240)
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