患儿，男，2岁。腹痛、血便6小时。査体：腹部略膨隆，脐周肠鸣音活跃。右下腹可扪及3cmX4cm包块，边界清，局部压痛，无反跳痛，超声检査见脐周肠管扩张，右下腹肠管壁稍厚，呈同心圆征，最主要的诊断是（     ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25725' and id < 2162830 and id<>'2162830' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25725' and id > 2162830 and id<>'2162830' order by id asc limit 5