Which conditions may result to enterovesical fistula?

Updated: Dec 24, 2020
  • Author: Joseph Basler, MD, PhD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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An enterovesical fistula (EVF), also known as a vesicoenteric or intestinovesical fistula, occurs between the bowel and the bladder. Normally, the urinary system is completely separated from the alimentary canal. Connections may result from any of the following:

  • Incomplete separation of the two systems during embryonic development (eg, failure of the urorectal septum to divide the common cloaca)
  • Infection
  • Inflammatory conditions
  • Cancer
  • Trauma or foreign body
  • Iatrogenic causes (presenting either postoperatively or as a treatment complication)

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