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目的:评价口服大剂量2.5%等渗甘露醇多层螺旋CT小肠造影的临床价值。材料和方法:36例患者口服1500m l 2.5%等渗甘露醇后,静脉注入20mg山莨菪碱注射液30~40min后行多层螺旋CT三期扫描,并进行多平面重建(MPR)、最大密度投影(MIP)和容积重建技术(VRT)重建。将小肠分为六组,分析小肠充盈情况。结果:所有受试者均认为等渗甘露醇微甜,易接受,未发现并发症。比较三种造影方法,其中以第三种效果最好。充盈良好率达88.5%,MSCTE清楚显示小肠肿瘤10例、肠粘连、肠系膜上动脉压迫综合征、肠梗阻等各1例,显示小肠疾患的肠内、肠壁、肠外及腹腔内脏器情况,显示胃、结肠癌共6例。结论:MSCTE是一种简便易行、经济实惠、能全方位多维显示小肠疾病的方法。
OBJECTIVE: To evaluate the clinical value of oral large-dose 2.5% isotonic mannitol multislice CT small bowel angiography. MATERIALS AND METHODS: Thirty-six patients were treated with 1500ml 2.5% isotonic mannitol. After intravenous infusion of 20mg anisodamine 30 ~ 40min, multi-slice CT three-phase scanning was performed and MPR was performed. The maximum density Projection (MIP) and Volume Reconstruction (VRT) reconstruction. The small intestine is divided into six groups, analysis of intestinal filling situation. RESULTS: All subjects considered the isotonic mannitol to be slightly sweet and acceptable with no complications found. Comparison of three methods of contrast, of which the third effect is best. Filling good rate of 88.5%, MSCTE clearly showed 10 cases of small bowel tumors, intestinal adhesion, superior mesenteric artery syndrome, intestinal obstruction, etc. 1 case, showing small intestine disorders of the intestine, intestine, parenteral and intraperitoneal organs, Show stomach, colon cancer in 6 cases. Conclusion: MSCTE is a simple, affordable, and comprehensive multi-dimensional display of small bowel disease.