64层螺旋CT肝动脉血管成像的临床应用  

The clinical application of 64 row helical CT angiography in demonstrating hepatic artery

作　　者：刘禄明[1] 都基权[1] 张鹏[1] 杜海峰[1] 傅振强[1] 孙百胜[1] 姜辉[1] 

机构地区：[1]武警山东省总队医院医学影像科,武警部队医学影像诊断中心,山东济南250014

出　　处：《医学影像学杂志》2008年第10期1137-1139,共3页Journal of Medical Imaging

摘　　要：目的:探讨64层螺旋CT血管成像对肝动脉正常解剖和变异的显示及临床指导价值。方法:305例患者行肝动脉64层螺旋CT血管成像,准直宽度0.625mm、螺距0.984,标准重建。成像方法采用多平面重建(MPR),最大密度投影(MIP)和容积再现(VR)。以Michels分型观察肝动脉的解剖与变异类型。结果:305例患者中,肝脏肿瘤190例,其他115例。Michels分型Ⅰ型255例,Ⅱ型30例,Ⅲ型19例,Ⅴ型1例。其中50例肝脏肿瘤患者的DSA表现与CTA对照,肝动脉解剖及变异的诊断符合率为100%。结论:64层螺旋CT肝动脉血管成像能够准确的显示肝动脉解剖及变异,并能明确肿瘤血管异位侧支来源,对临床手术、介入治疗及肝脏移植具有重要指导作用。Objective：To discuss the clinical value of 64 row helical CT angiography （CTA） in demonstrating the normal anatomy and anatomical variation of hepatic arteries.Methods：305 patients underwent CTA examination by 64 row helical CT. All the images with the slice of 0.625 mm and the interval of 0. 625 mm were transmitted into the workstation. Image postprocessing was taken with maximum intensity projection （M/P） and volume rendering （VR）. The type of variation was classified with michels classification. Results： Of the 305 patients, 190 were liver tumor and 115 were the other cases. Michels Ⅰ were 255 cases, Ⅱ 30 cases, Ⅲ 19 cases, Ⅴ 1 ease. 50 cases who had liver tumor were compared with that of DSA. The accurate rate of CTA displaying anatomy and variation of hepatic artery was 100%. Conclusion：64 mw helical CT Angiography can display clearly the artery for feeding tumor or the abnormality branch blood spply for primary hepatic carcinoma, and CTA is important for the guidance of surgical intervention, interventional therapy, and liver transplantation.

关 键 词：肝肿瘤 肝动脉 血管成像 体层摄影术 X线计算机 

分 类 号：R735.7[医药卫生—肿瘤] R814.42[医药卫生—临床医学]