痉挛性肛部痛( proctalgia fugax )特征为突发、短暂发作的直肠区域剧痛,常与肠易激综合征( irritable bowel syndrome )及心因性障碍( psychogenic disorder )有关。已有研究报道,家族性肛门内括约肌肌病( familial internal anal sphincter myopathy )可引起痉挛性肛部痛及排便困难。肛提肌综合征( levatorani syndrome )是指因肛提肌群[ (髂尾肌( ileococcygeus ) 、耻骨肌 ......