小肠出血的定位诊断及其意义

Localization Diagnosis and Clinical Significance about Hemorrhage of Small Intestine

小肠病变约占胃肠道病变的 1 %～ 4 % ,定位诊断较困难。小肠出血多为小肠病变的首发临床症状 ,是发现小肠病变的重要线索 ,为提高临床诊断水平 。

The enteropathy in small intestine is about 1%～4% of all gastrointestinal tract lesion.It is difficult to decide the lesion place.The small intestine bleeding is the first clinical symptom of small intestine lesion and also the important evidence to detect small intestine lesion. In order to improve the acquaintanceship of clinical physician, the article reviews the progress and clinical significance on examination methods at largely in recent years.