女孩，4岁，生后半年开始出现便秘，需辅之 泻药或开塞露排便。查体：消瘦，腹胀，左下 腹可扪及质硬包块。钡灌肠检查发现直肠、乙 状结肠远端狭窄，乙状结肠近端和降结肠明显 扩张。为明确诊断应考虑做哪项检查.

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32574' and id < 2589402 and id<>'2589402' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32574' and id > 2589402 and id<>'2589402' order by id asc limit 5