The first 3 most common etiologies of LGIB were colonic or rectal polypi, Meckeldiverticulum, intestine duplication respectively.
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。
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Objective: To improve the knowledge of angiographic findings of Meckel s diverticulum with bleeding and the angiographic diagnosis of gastrointestinal bleeding.