小儿肠系膜囊肿主要系先天性淋巴管发育畸形,发病率不高,临床少见报道。该病多于学龄前或儿童时期出现症状,但症状不典型,诊断较困难,常导致严重并发症。我院1985～1999年诊治18例小儿肠系膜囊肿,现报告如下。1　临床资料1.1　年龄分布　本组18例,其中男10例,女8例。年龄最小11 Mesenteric cysts in children mainly congenital lymphatic malformations, the incidence is not high, rare clinical reports. The disease more than pre-school or childhood symptoms, but the symptoms are not typical, the diagnosis is more difficult, often leading to serious complications. Our hospital from 1985 to 1999 diagnosis and treatment of 18 cases of children with mesenteric cysts, are as follows. 1 Clinical data 1.1 age distribution The group of 18 patients, including 10 males and 8 females. The youngest 11