Fig. 1From: Gluteal-fold flap repair of rectovaginal fistula caused by aluminum potassium sulfate hydrate-tannic acid injection for internal hemorrhoids: a case reportIntraoperative views of the rectovaginal fistula. (a) Rectovaginal fistula before repair; (b) after fistulectomy; (c) the rectal wall defect is closed and the vaginal defect is openedBack to article page