Long-term preserved renal function of a patient with mass-forming granulomatous interstitial nephritis by biopsy-based steroid therapy
Abstract In 2001, a 41-year-old Japanese woman was referred to our hospital because of severe renal dysfunction and fever of unknown origin. On admission, her serum creatinine was 8.7 mg/dL, urine protein was 0.3 g/day, and urine β2-microglobulin was 81,007 μg/day. Computed tomography (CT) scans showed bilateral contracted kidneys with a mass projecting from the lower pole of the [...]