小肠肿瘤虽只占消化道肿瘤总数的１％～６％，却是临床上不明原因消化道出血、腹痛、腹泻、呕吐等症状的重要病因之一。由于缺乏有效的直观性诊断方法，小肠肿瘤（特别是空、回肠肿瘤）的临床诊断甚为困难。作者应用前视推进式电子小肠镜，开展筛选小肠肿瘤和其他小肠病变... Although small intestine tumors only account for 1% to 6% of the total number of digestive tract tumors, it is one of the important causes of clinically unexplained gastrointestinal bleeding, abdominal pain, diarrhea, and vomiting. Due to the lack of effective and intuitive diagnostic methods, clinical diagnosis of small intestinal tumors (especially empty and ileal tumors) is difficult. The authors used forward-looking electronic enteroscopy to screen small intestine tumors and other small intestinal lesions...