This paper retrospectively looks at all the continent catheterisable channels performed in one centre over 16 years that were all on a surveillance programme of annual endoscopic assessment beginning five years post surgery. All channels had been formed with sutures not staples, although the suturing technique and material had changed over time. Any polyps detected were treated with resection using a resectoscope or Bugbee fulguration. Fifty-five patients (33 male and 22 female, median follow-up seven years, range 3-16 years) had had channels composed of appendix (31), ureter (12), ileum (nine), sigmoid (one), bladder (one) and prepuce (one). Eleven (20%) developed polyps (seven male and four female). Nine were in an appendix, one in an ileum and one in a colonic Monti. Median time of diagnosis was 29 months (range three months to eight years). Six of the eleven patients were symptomatic with either difficulty catheterising (four) or stomal incontinence (two). All polyps were benign fibro-epithelial granulomatous tissue. Most polyps were mid-channel to distal at the conduit-bladder junction. Forty-five percent of patients had recurrent polyps. The authors stress that surveillance of an augmentation cystoplasty should include surveillance of the catheterisable conduit channel especially if there is difficulty catheterising or new onset incontinence from the channel.
Polyps in continent catheterisable bladder channels
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