Results There were 3 cases of enteric cyst, 2 cases of mesentery lym-phangioma, 3 cases of greater omental cyst, 3 cases of cystic teratoma, 2 cases of abdominal abscess.

• 结果肠源性囊肿3例,肠系膜淋巴管瘤2例,大网膜囊肿3例,囊性畸胎瘤3例,腹腔脓肿2例。并发系膜扭转1例,网膜扭转2例,囊肿出血2例,肠穿孔和右侧胸腔疝各1例。结论儿童腹部脏器外囊性病变主要为良性病变。