A retrospective review of 35 patients treated for vesicocolic fistula due to diverticuclitis has been undertaken. The relative value of different methods of investigation and treatment is discussed. Pneumaturia was the most frequent presenting symptom. There was no mortality after staged surgical intervention, in contrast with the occurrence of two deaths after one‐stage resections.SummaryThirty‐five cases of vesicocolic fistula have been reviewed. Pneumaturia was the most frequent presenting symptom, and sometimes the only urinary symptom present. Both barium enema examination and cystoscopy were valuable investigations, frequently providing com‐ plementary information. There were two operative deaths following one‐stage resections, and none after staged pro