Colovesical fistula - diverticular disease

Discussion:

One of the commoner causes of a colovesical fistula is complicated diverticular disease.

This case shows multiple signs to confirm the diagnosis:

1. Thickened adjacent colon with pericolonic inflammatory change

2. Diverticulae in the sigmoid colon

3. Large volume of air in the bladder ( without prior catheterization or intervention )

4. Gas tracking across the colonic wall into the urinary bladder

 

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