Presentation
Previous colorectal surgery for a colonic malignancy. Clinical suspicion of a colorectal fistula.
Patient Data
Age: 70 years
Gender: Male
From the case:
Rectovesical fistula
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Contrast administered into the rectum.
A wide fistulous tract at 12 O'clock communicates with the posterior aspect of the urinary bladder.
The bladder is diffusely thick walled.
Case Discussion
Colovesical fistula is a abnormal communication between the colon, typically the rectosigmoid, and the urinary bladder.
The commonest causes are secondary to colonic malignancies and diverticular disease.