Presentation
Pneumaturia and passage of urine rectally. History of diverticulitis.
Patient Data
On non-contrast image, a DJ stent is inserted on the right side in appropriate position. Several stones are seen in the lower part of the right renal lodge.
After contrast media injection via a Foley catheter, the urinary bladder is visualized, accompanied by bilateral vesicoureteral reflux.
In addition, evidence of fistulous formation is observed between the posterior aspect of the urinary bladder and the adjacent rectosigmoid junction.
Case Discussion
Colovesical fistula in a patient with a history of diverticulitis.
Diverticulitis (60%), colorectal cancer (20%), and Crohn disease (10%) are the main causes of the colovesical fistula. Usually, the fistula occurs through the dome of the bladder.
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