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		题名	作者	年代	出处	被引量
	1	A typical presentation of a rare cause of obscure gastrointestinal bleeding显示文摘A 52-year-old white woman had suffered from intermittent gastrointestinal (GI) bleeding for one year. Upper GI endoscopy, colonoscopy and peroral doubleballoon enteroscopy (DBE) did not detect any bleeding sour ce, suggesting obscure GI bleeding. However, in video capsule endoscopy a jejunal ulceration without blee ding signs was suspected and this was endoscopically conf irmed by another peroral DBE. After transfusion of packed red blood cells, the patient was discharged from our hospital in good general condition.Two weeks later she was readmitted because of another episode of acute bleeding. Multi-detector row computed tomography with 3D reconstruction was performed revealing a jejunal tumor causing lower gastrointestinal bleeding. The patient underwent exploratory laparotomy with partial jejunal resection and end-to-end jejunostomy for reconstruction. Histological examination of the specimen confirmed the diagnosis of a low risk gastrointestinal stromal tumor (GIST). Nine days after surgery the patient was discharged in good health. No signs of gastrointestinal rebleeding occurred in a followup of eight months. We herein describe the comp lex presentation and course of this patient with GIST and also review the current approach to treatm ent.	Stefan Reuter Dominik Bettenworth Sren Torge Mees Jrg Neumann Torsten Beyna Wolfram Domschke Johannes Wessling Hansjrg Ullerich	2011	World Journal of Gastrointestinal Endoscopy2011，3，2：	0
	2	Evaluation of gastrointestinal bleeding: Update of current radiologic strategies显示文摘Gastrointestinal bleeding(GIB) is a common presenta-tion with significant associated morbidity and mortality, the prevalence of which continues to rise with the ever-increasing aging population. Initial evaluation includes an esophagoduodeonscopy and/or colonoscopy, which may fail to reveal a source. Such cases prove to be a dilemma and require collaboration between gastroen-terology and radiology in deciding the most appropriate approach. Recently, there have been a number of ra-diologic advances in the approach to GIB. The purpose of this review is to provide an evidence-based update on the most current radiologic modalities available and an algorithmic approach to GIB.	Parth J Parekh Ross C Buerlein Rouzbeh Shams Harlan Vingan David A Johnson	2014	World Journal of Gastrointestinal Pharmacology and Therapeutics2014，5，4：	0

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