대한대장항문학회

Stricture of anal canal is a serious complication of anal operation and treatment plan<br>based upon the cause, severity and level of the stenosis is proposed.<br>To date, ideal management of this problem has not been well defined, challenged<br>surgeons for many years, and numerous technique have been devised to treat anal<br>stricture. We experienced seven patients with anal stenosis from 1990 to 1991<br>and reported its result using bilateral advancement flap method for anal stenosis.<br>Six patients were severe type and one was moderate type of anal stenosis. Sever type<br>of antral stenosis was treated by bilateral advancement pedicle flap and Mild to<br>Moderate type was treated by unilateral flap method. Cause of the stenosis<br>was<br>secondary to hemorrhoid operation in 2 patients, sclerosing therapy due to hemorrhoid in<br>3 patients, unknown causes in 2 patients. The operation procedure & results were<br>successful and satisfactory except one case which the suture site between anal mucosa<br>& flap was disrupted<br>