根据 1990年全国便秘诊断标准 ,我院对大便困难、便秘、解不尽伴肛门会阴区坠痛等临床状症的 90例病人行排粪造影检查 ,共发现 10种肛门出口周围组织和器官的功能性或器质性异常。本院经排粪造影诊断直肠后突 8例 ,全部合并有耻骨直肠肌肥厚或直肠粘膜内套迭。我们认为直肠后突为耻骨直肠肌肥厚或直肠粘膜内套迭造成排粪出口梗阻后随着直肠内压力反复增加而引起的一种继发性改变。 8例经肛肠外科行耻骨直肠肌部分切断松解和直肠粘膜下硬化剂注射后 ,复查排粪造影 ,直肠后突基本消失。本文就直肠后突的 X线诊断标准及分度方法 ,提出商榷 According to the 1990 national constipation diagnostic criteria, our hospital for stool difficult, constipation, solution with anal perineal area pain and other clinical symptoms of 90 cases of patients with defecography examination, a total of 10 kinds of anal exit were found around the tissues and organs Functional or organic abnormalities. The hospital after defecography angiography diagnosis of rectocele in 8 cases, all merged with puborectalis hypertrophy or rectal mucosa Diego Diego. We consider that the retroperitoneal process is a secondary change caused by the repeated increase of pressure in the rectum after the rectal effusion becomes hypertrophy of the puborectalis muscle or the intussusception of the rectal mucosa leads to obstruction of the outlet of the defecation. 8 cases of puborectalis by anorectal surgery partial release of rectal mucosal resection and rectal mucosal sclerotherapy after injection, review defecography, rectal prognosis disappeared. In this paper, diagnosis of rectocele X-ray diagnostic criteria and indexing method, put forward a discussion