Results of a thirty-year study of familial adenomatous polyposis coli.

Purpose: This study was designed to estimate the efficiency of the various methods used to treat familial adenomatous polyposis coli.

Methods: Three hundred ninety patients (219 males) underwent surgery for familial adenomatous polyposis coli; postoperative follow-up was from 1 to 30 years.

Results: Coloproctectomy with preservation of the anal sphincter and coloproctectomy with ileoanal pull-through procedures resulted in development of anal canal cancer in 3 (4.