为在远侧的十二指肠的 stent 放置的一个简化方法: Enteroscopy overtube

The treatment of choice for patients with unresectable neoplastic obstruction of the small intestine is the placement of expandable metal stents.However,endoscopic delivery from the distal duodenum can be more diff icult.This case,shows the usefulness and technical advantages of the overtube and single balloon enteroscopy in the treatment of neoplastic stenosis affecting the small intestine.