多层螺旋CT对主动脉壁内血肿的诊断价值  

Effects of MSCT in Diagnosis of AIH

作　　者：贾慧娟[1] 史朴军[1] 魏里[1] 

机构地区：[1]聊城市人民医院设备管理科,山东聊城252000

出　　处：《中国医疗设备》2013年第9期171-173,共3页China Medical Devices

摘　　要：目的探讨多层螺旋CTI血管成像(CTA)在主动脉壁内血肿(AIH)诊断中的临床应用价值及诊断优势。方法对26例经256层螺旋CTA诊断为AIH患者,运用多平面重建(MPR)、最大密度投影(MIP)、容积重建(VR)等,结合轴位图像,分析AIH的部位、形态、有无溃疡及胸腔积液等结果单纯AIH7例,表现为沿主动脉壁的环状或新月形低密度,CTA显示没有强化,主动脉内壁光滑;溃疡性AIH 19例。18例溃疡周围有较明显粥样斑块和钙化斑块,1例无粥样斑块和钙化斑块;3例有少量胸腔积液,15例溃疡性AIH合并中等以上胸腔积液。结论多层螺旋CTA可无创清晰显示AIH,对临床的诊断、治疗和随访具有重要的指导意义。Objective To evaluate the effects of MSCT （Multi-slice Computerized Tomography） in diagnosis of AIH （Aortic Intramural Hematoma）. Methods MPR （ Multi-planar Reformation）, MIP （ Maximum Intensity Projection） and VR （ Volume Rendering） in combination with axial imaging were performed in 26 patients who underwent 256-slice spiral CT scans and were determined as AIH patients so as to analyze the location, morphological features and existence of ulcers and pleural effusion in all the cases. Results Among 26 cases, simplex AIH was found in 7 patients whose pathological changes manifested low-density ring-shape or crescent along the aortic wall with the features of smoothing aortic wall and no enhancement under CTA scanning; 19 patients were confirmed as ulcerated AIH （18 cases showed obvious atheromatous and calcific plaque around the ulcers, among which a small amount of pleural effusion was found in 3 cases and there were 15 cases of ulcerated AIH who had moderate or large amount of pleural effusion; while, 1 case showed no atheromatous and calcific plaque around the ulcers）. Conclusion MSCT served as a non-invasive technique that could give a clear demonstration of AIH and had great significance in clinical diagnosis, trealment and follow-up examinations of AIH patients.

关 键 词：主动脉 壁内血肿 体层摄影术 螺旋CT机 CT血管成像 

分 类 号：R814.42[医药卫生—影像医学与核医学] R543.1[医药卫生—放射医学]