多层螺旋CT在大肠癌诊断中的应用价值  

Applied value of multi-slice spiral CT in colorectal cancer diagnosis

作　　者：崔国产 胡兴平[1] 胡洪翔 徐春林[1] 殷标 陶俊[1] 

机构地区：[1]安徽省铜陵县人民医院放射科,安徽铜陵244100 [2]安徽省铜陵县人民医院普外科,安徽铜陵244100

出　　处：《医学影像学杂志》2010年第4期519-521,共3页Journal of Medical Imaging

摘　　要：目的:探讨多层螺旋CT(MSCT)及后处理技术在大肠癌术前诊断和分期的价值。方法:对33例大肠癌患者应用GELightSpeed16层螺旋CT进行一次屏气完成全腹容积扫描,在工作站应用软件后处理技术进行分析,分别获取多平面重组(MPR),最大密度投影(MIP),表面遮盖成像(SSD),透明法显示(Raysum)及CT仿真内镜成像(CTVE),综合多种后处理成像技术与原始扫描轴位图像相结合进行分析,并与肠镜或/和手术病理对照观察。结果:33例大肠癌患者中MSCT大肠成像,共检出34个癌灶,肿瘤检出率为100%、肿瘤浆膜面浸润诊断准确率90.3%(28/31),淋巴结转移准确率87.2%(95/109个),远处脏器转移准确率100%(5/5),显示供血血管准确率100%(32/32),按照改良Duckes分期总准确率为87.9%,其中术前DuckesA期(1/2),DuckesB期(3/5),DuckesC期(20/21),DuckesD期(5/5)。结论:MSCT后处理及各相同性技术对大肠癌的诊断有独特的优越性,对评估肿瘤的可切除性及制定治疗方案具有很高的价值。Objective：To investigate the multi-slice CT（MSCT）and post-processing technology in colorectal cancer diagnosis and preoperative staging.Methods：33 cases of colorectal cancer patients with GE Light Speed 16-slice spiral CT,the completion of a full abdominal breath-hold volume scanning,in the workstation applications software analysis post-processing techniques,namely access to multi-planar reformation（MPR）,maximum intensity projection（MIP）,surface shaded display（SSD）,Raysum and CT virtual endoscopy（CTVE）,combination of post-processing technology to scan the original of axial images for analysis,and colonoscopy or surgery observed pathology.Results：Among the 33 cases of colorectal cancer,a total of 34 foci were detected,tumor detection rates were 100%,tumor serosal surface infiltration of diagnostic accuracy of 90.3%（2831）,lymph node metastasis accuracy of 87.2%（95109）,and distant organ metastasis accuracy of 100%（55）,showed that blood vessels supplying the accuracy of 100%（3232）,in accordance with the improvement of the overall accuracy of Duckes staging for 87.9%,which Duckes A pre-operative staging 2 cases,Duckes B staging 5 cases,Duckes C staging 21 cases,Duckes D staging 5 cases.Conclusion：MSCT post-processing technologies and the same diagnosis of colorectal cancer have unique advantage,the assessment of tumor resectability and the development of treatment programs have high value.

关 键 词：大肠癌 体层摄影术 X线计算机 

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