A common use of urinary sediment examination is to attempt to place patients with AKI into one of two conventional diagnostic categories: pre-renal azotemia (PRA) and acute tubular necrosis (ATN ...

Acute kidney injury frequently occurs as a result of acute tubular necrosis (ATN), which is often caused by a reduction in systemic blood pressure or renal blood flow (e.g., as observed in severe ...

Necrosis and Calcification of Cells Associated with Calcium Casts in the Tubular Lumen (X135). Microscopically, focal subcapsular scars were present, and 1 focus of acute pyelonephritis with ...