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小肠是消化道最长的器官是食物消化、吸收的主要部位同时还具有内分泌和免疫防御功能。小肠疾病在临床上并不少见,如血管发育不良、癌淋巴瘤、息肉、类癌、炎症性肠病、憩室等,常是造成原因不明的消化道出血的主要根源但其起病隐匿,缺乏特异性的临床症状,加之长约5米的小肠游离于腹腔内,被肠系膜束缚形成多个复合肠袢,走向迂回重叠,远离口腔和肛门,缺乏有效的检查手段,造成在过
Small intestine is the longest digestive organ food digestion, absorption of the main part also has endocrine and immune defenses. Small intestinal diseases are not uncommon clinically, such as vascular dysplasia, cancer lymphoma, polyps, carcinoid, inflammatory bowel disease, diverticula, etc., are often the main cause of unknown cause of gastrointestinal bleeding but its onset is insidious, lacking Specific clinical symptoms, combined with about 5 meters in the small intestine free intraperitoneal, mesenteric tied to form a number of complex intestine, to roundabout overlapping, away from the mouth and anus, the lack of effective means of inspection, resulting in over