Costovertebral, flank, lumbar, lower chest, or back pain
Usually unilateral
Fever, especially if prolonged or after antibiotic initiation
Nausea, vomiting
UTI or pyelonephritis symptoms not improving with antibiotics
Usually unilateral
Need for open surgical management or nephrectomy
Renal failure
Sepsis, bacteremia
Emphysematous kidney
Cortical<unk> es can rupture and form perinephric<unk> es
Renal abscess
UTI
Emphysematous pyelonephritis
Pyelonephritis
Renal cyst
Glomerulonephritis
Renal cancer
Perinephric abscess