A 50-year-old man received a deceased-donor kidney transplan…
A 50-year-old man received a deceased-donor kidney transplant 10 days ago for end-stage renal disease secondary to hypertension. He now presents with decreased urine output, low-grade fever, and tenderness over the graft site in the right lower abdomen. His blood pressure is 158/96 mmHg. Laboratory results are as follows: Serum: Creatinine (post-transplant baseline 1.1 mg/dL): 2.8 mg/dL BUN: 48 mg/dL Potassium: 5.6 mmol/L Bicarbonate (CO₂): 19 mmol/L Which of the following microscopic urinalysis results is consistent with renal allograft rejection?