A low-pressure reservoir for urine is created by antimesenteric splitting and side-to-side anastomosis of the rectosigmoid, the expectation being to obtain better continence rates and better protection of the upper tract than are achievable by ureterosigmoidostomy. Between 1990 and August 1993 the procedure was performed in 73 patients (59 adults and 14 children) whose mean age was 43.5 years. The indications were malignancy (n = 55), bladder exstrophy/epispadias (n = 14), trauma (n = 3), and sinus urogenitalis (n = 1). Of the 73 patients, 69 were followed for a mean period of 127 (range, 1-34) months. In all, 5 early complications were encountered (6.8%). In addition, 8 late complications occurred (10.9%), stenosis at the ureteral implantation site being the most common one. Daytime continence was 94.5% and night-time continence, 98.6%. The sigma rectum pouch achieves excellent continence rates. Despite implantation of the ureters into a low-pressure reservoir, stenosis at the site of ureteral implantation occurred in 6.8% of the patients, demonstrating the profund vulnerability of ureterointestinal anastomosis.

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Twenty-two patients with vesical urothelial carcinoma associated with prostatic carcinoma were reviewed. They represented 1.5% of the bladder and prostatic tumours treated in our department within a 12-year period from 1968 to 1979. Their management included several treatment policies, based on the separate assessment of each tumour variant. For non-infiltrating bladder tumours, transurethral tumour resection was combined with hormonal treatment, external radiotherapy or resection of the prostate depending on the stage of the prostatic tumour. Radical cystoprostatectomy was performed for two cases of infiltrating bladder tumour with well localised prostatic tumours. A conservative primary approach seems justifiable in the management of double carcinoma of the bladder and prostate. The coincidence of bladder urothelial carcinoma and prostatic carcinoma per se is not an adverse prognostic factor; prognosis is more closely related to the pathological stage and grade of the bladder tumour. Cystoprostatectomy for patients with infiltrating bladder tumours could be curative, in selected cases, for the prostatic cancer as well.