Perirenal abscess is a pocket of pus caused by an infection around one or both kidneys.Alternative Names
Perinephric abscessCauses, incidence, and risk factors
Most perirenal abscesses are caused by urinary tract infections that start in the bladder, spread to the kidney, and then spread to the area around the kidney. Other causes of perirenal abscess include surgery in the urinary tract or reproductive system and bloodstream infection.
The biggest risk factor for perirenal abscess is kid...