1病例报告患者女，40岁，突发右侧肢体无力8d而入院。入院后诊断为丘脑出血，后因急性消化道出血转科。体检：重度贫血貌，血红蛋白27g／L，红细胞0．8X10‘’／L；B超示左上腹肠套叠。肠系膜上动脉造影，动脉期见空肠二支动脉于增粗，其未分支变形呈弧形约8cm长，并有2cmXI．5 1 Case Report Female patient, 40 years old, admitted to hospital with sudden weakness of the right limb for 8 days. He was diagnosed with thalamic hemorrhage after admission, and he was transferred to the family due to acute gastrointestinal bleeding. Physical examination: Severe anaemia appearance, hemoglobin 27 g/L, red blood cells 0.8X10 ‘/L; B ultrasound shows left upper abdominal intussusception. The superior mesenteric arteriography showed that the jejunal bifurcation was thickened in the arterial phase, and its unbranched deformation was approximately 8 cm long in arc and there was 2 cm XI. 5