Anal stenosis is a rare but serious complication of anorectal surgery, most commonly seen after hemorrhoidectomy.Anal st......

目的 针对中低位无肛合并直肠会阴瘘的患儿改良一种新的手术方法,使之较现行的方法如Pena、后切术更加简便、更符合生理以减少手术......