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Colovesical fistula

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(1) An abnormal connection (or passageway) between colon and urinary bladder.

(2) A form of vesicointestinal fistula located between the large intestine and urinary bladder.


Normally the urinary system is not connected to the alimentary canal. However, certain conditions may result in a fistula between them, in this case, between colon and the urinary bladder. It may arise from the incomplete separation between these two systems during embryonic development or it may be due to infections or postoperative complications.

Word origin: Latin, pipe, tube, fistula.

Synonym: vesicocolic fistula.