[10 year-follow up of 2815 patients with resected recto-anal adenomas or polyps].

Ten year-follow up of 2815 patients with resected rectoanal adenomas or polyps revealed recurrence in 225 patients with a rate of 7.99%. The recurrence rate of villotubular adenoma and villous adenoma was 18.26% and 15.79% respectively, the more the volume of adenomas and polyps is, the higher the recurrence, in which the recurrence rate of more than 2 cm in diameter is 19.23% and the recurrence rate of multiple adenoma and polyps had a higher recurrence rate than single ones (17.39% vs 6.88%). Canceration in 10 years was found in 16 patients with a rate of 0.57%.