小肠病变因其发病率低,且以往由于诊断技术进展缓慢,故临床较少报道。近年,随着小肠造影法、血管造影法以及内窥镜检查法的广泛应用,使小肠病变的诊断获得了新的进展。小肠病变与食管、胃及大肠病变相同,目前尚无统一的分类方法,多以有蒂和无蒂予以区别。根据其病变侵袭部位可分为腔内性、腔外性及混合性三种类型,且腔外性更多见于腔内性。同时,并可根 Because of its low incidence of small bowel disease, and in the past due to slow progress in diagnostic techniques, it is rarely reported in clinical practice. In recent years, with the wide application of small intestine angiography, angiography, and endoscopy, new advances have been made in the diagnosis of small bowel disease. The intestinal lesions are the same as esophageal, gastric, and colorectal lesions. There is currently no unified classification method, and most of them are pedicled and pedicled. According to the site of lesions can be divided into intraluminal, extraluminal and mixed three types, and extraluminal more common in intraluminal. At the same time, and can be