What is emphysematous cystitis (cystitis emphysematosa)?

Updated: Jul 01, 2021
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Emphysematous cystitis (cystitis emphysematosa) involves gas that is localized to the bladder secondary to a bladder infection. Gas in the bladder is more frequently related to a fistula between the bladder and the colon or vagina than to a gas-producing infection. As many as 80% of patients are diabetic.

Patient presentation is similar to that for pyelonephritis. Plain radiographs may demonstrate gas in the bladder wall or lumen, an air-fluid level in the bladder, or a cobblestone appearance to the bladder wall. CT scan is the study of choice to help localize the gas to the proper organ. Treatment involves intravenous antibiotics and relief of any outlet obstruction. This condition is not as serious as the other two previously described emphysematous conditions.


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