RESUMEN
Objective To explore the value of ectopic gastic mucosa imaging in diagnosis of Meckel′s diverticulum.Methods Twenty-five cases suspected of gastrointestinal bleeding underwent conventional ectopic gastic mucosa imaging with 99mT_cO_4-.The diagnostic criteria Meckel′s diverticulum was that abnormal radio active accumulation in the abdomen observed.Results Three cases of ectopic gastic mucosa imaging was positive,and the diagnosis was all confirmed by surgery and pathology examination.The rest 22 cases were caused by other reasons confirmed by affirmative examinations.Conclusions Ectopic gastic mucosa imaging is easy to conduct,safe with no injury to the patients.It can be the first choice of examination in the diagnosis of gastrointestinal bleeding in children.