Rapidly Progressive Acute Tubulointerstitial Nephritis Masquerading as RPGN: The Vital Diagnostic Role of Renal Biopsy in Advanced AKI
Background & Objective: Acute tubulointerstitial nephritis (ATIN) is a potentially reversible cause of acute kidney injury (AKI). However, when presenting with rapid loss of renal function and fever of unknown origin, ATIN frequently mimics rapidly progressive glomerulonephritis (RPGN). In Kazakhstan, patients presenti...