患者男性,12岁,腹胀腹痛、频繁呕吐停止排便排气2天。查体:体温38.3℃,脉博108次、血压12/9kPa。中度脱水、腹部膨隆、可见肠型、脐周压痛,无反跳痛,未触及肿块。腹部平片示:中上腹肠管明显扩张、数个宽窄不一的阶梯状液平。临床以急性小肠梗阻而行剖腹探查术。术中发现中上腹部小肠扩张,距屈氏勒带80cm空肠系膜处有一14×10×7cm的瘤体,乳白色,质软,表面光滑,基底部侵蚀肠壁,瘤体上方小肠顺时针交往扭转。复位减压后将瘤体连同受累肠管一并切除。检查其他肠系膜未见病灶。术后病理诊断:肠系膜囊性淋巴管瘤。随访四年未复发。 The patient was male, 12 years old, with abdominal distention, abdominal pain, frequent vomiting, and defecation stopped for 2 days. Physical examination: body temperature 38.3 °C, pulse 108 times, blood pressure 12/9kPa. Moderate dehydration, abdominal distension, visible bowel type, perianal tenderness, no rebound tenderness, no masses. Abdominal plain films show that the intestine in the abdomen is obviously expanded, and a number of step-like fluid levels are different. Clinical laparotomy was performed with acute small bowel obstruction. The mid-upper abdominal small bowel dilatation was found during the operation. There was a 14×10×7 cm tumor at the jejunum mesentery at 80 cm from the Trikele, with milky white, soft and smooth surface. The base eroded the intestinal wall, and the small intestine above the tumor was clockwise . After decompression, the tumor was removed together with the affected bowel. Examination of other mesenteries showed no lesions. Postoperative pathological diagnosis: mesenteric cystic lymphangioma. Followed up for four years without recurrence.