梅克尔憩室是一种先天性消化道畸形，发生率为1%～3%，男女比例约为3：1，绝大多数终生无症状，只是在腹部手术时偶然发现，少部分可引起多种并发症。
目的探讨梅克尔憩室出血的病因及外科治疗。
Objective To investigate the pathogeny and treatment of Meckel's diverticulum bleeding in children.
手术切除是治疗小儿梅克尔憩室的主要方法。
Surgical resection was the treatment of Meckel's diverticulum.
LGIB前3位病因依次为结、直肠息肉、梅克尔憩室和肠重复畸形。
The first 3 most common etiologies of LGIB were colonic or rectal polypi, Meckel diverticulum, intestine duplication respectively.
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