小肠镜检查和小肠粘膜活检的现状徐肇敏小肠位于全消化道中段，长约５～７米。与胃、结肠镜相比较，小肠镜检查要困难得多。因此小肠疾病诊断的其他检查方法亦常应用，如小肠气钡双重造影，同位素检查和血管造影等。但小肠镜检查可直接观察和活检病理检查，还是最有效的诊... Enteroscopy and small intestinal mucosal biopsy Xu Zhao Min small intestine is located in the middle of the whole digestive tract, about 5 to 7 meters. Compared with the stomach, colonoscopy, enteroscopy is much more difficult. Therefore, other tests for the diagnosis of small bowel disease are also often used, such as small bowel double contrast barium, isotope examination and angiography. But the small bowel examination can be directly observed and biopsy pathology, or the most effective diagnosis ...