Emphysematous disease of the urinary tract

Emphysematous pyelonephritis

  • gas in renal parenchyma
  • focal or diffuse
  • may involve collecting system and perinephric space
  • high mortality
  • may require nephrectomy

Emphysematous pyelitis

  • gas in pelvicalyceal system and ureter alone
  • low mortality
  • percutaneous drainage and antibiotics helps

Emphysematous cystitis

  • gas in urinary bladder and bladder wall
  • typically in diabetics