乙状结肠畸胎瘤一例孟艳玲患者女，３９岁。因左下腹阵发性胀痛伴排便不规则１６个月就诊，近２月加重，时有大便带血及排便困难。查体：左下腹有压痛及反跳痛，未扪及包块，肠鸣音亢进，余皆正常。大肠镜检查见：进镜约１６ｃｍ见有一巨大球样肿物阻塞肠腔，贴紧右侧壁，... One case of sigmoid teratoma was Meng Yanling, 39 years old. Due to paroxysmal pain in the left lower abdomen with irregular bowel movements for 16 months, increased in the past 2 months, sometimes with stool blood and defecation difficulties. Physical examination: There is tenderness and rebound tenderness in the left lower abdomen, and there is no palpable mass and bowel sounds. All are normal. Colonoscopy examination see: into the mirror about 16cm see a huge ball-like tumor obstruction lumen, close to the right wall, ...