Endoscopic evaluation and histology correlation are emphasized.
内镜所见和组织学的关系也有所强调。
Obscure gastrointestinal bleeding is defined as bleeding of unknown origin that persists or recurs after a negative initial endoscopic evaluation of both the upper and lower gastrointestinal tracts.
来源不明性胃肠出血是指首次上、下消化管内窥镜检查都阴性、原发部位不明的持续或反复性出血。
Objective: This essay aims at exploring the evaluation of repeat colonoscopy and endoscopic therapy for delayed post-polypectomy hemorrhage.
目的：探讨结肠息肉摘除术后延迟出血重复结肠镜检查和内镜下治疗的价值。
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