动态容积CT门静脉成像及三维重建在门静脉瘤中的临床应用  

Clinical Application of Dynamic Volume CT Portal Vein Imaging and 3D Reconstruction in Portal Vein Aneurysm

作　　者：范梦笛 张慧娟 丁蓓 汪加宝 FAN Meng-di;ZHANG Hui-juan;DING Bei;WANG Jia-bao(Department of Radiology,Liyuan Hospital of Tongji Medical College of Huazhong University Of Science&Technology,Wuhan 430077,Hubei Province,China;Nanchang Rimag Medical Imaging Diagnostic Center,Nanchang 330000,Jiangxi Province,China)

机构地区：[1]华中科技大学同济医学院附属梨园医院放射科,湖北武汉430077 [2]南昌一脉阳光医学影像诊断中心,江西南昌330000

出　　处：《中国CT和MRI杂志》2025年第3期137-139,共3页Chinese Journal of CT and MRI

摘　　要：目的探讨动态容积CT门静脉成像及三维重建技术在门静脉瘤诊断的临床应用价值,提高对其诊断的准确性。方法回顾性分析经320排动态容积CT门静脉成像并诊断为门静脉瘤的19例患者临床及影像资料,采用容积再现、最大密度投影、多平面重建等三维重建技术观察门静脉瘤的发生位置、大小、门静脉分支分型、瘤内血栓、肝内分流及伴发症等情况。结果19例门静脉瘤患者临床常无症状,其中11例(57.9%)位于门脉分支,7例(36.8%)位于门静脉主干,1例(5.3%)位于门静脉主干及肠系膜上静脉;19例门静脉瘤表现为囊状或梭形扩张,最大范围约1.5 cm×1.2 cm-4.8cm×3.2 cm;门静脉分支分型表现为Ⅰ型15例(78.9%),Ⅱ型1例(5.3%),Ⅲ型3例(15.8%);19例门静脉瘤瘤内均未见血栓形成,15例(78.9%)无肝内分流,4例(21.1%)表现为肝内分流,伴肝脏疾病9例(47.4%),胆系疾病6例(31.5%),无并发症4例(21.1%)。结论动态容积CT门静脉成像及三维重建技术可清晰显示门静脉瘤的发生部位、大小、瘤内血栓、肝内分流情况,给临床诊疗提供较多的影像信息。Objective To evaluate the clinical value of dynamic volume CT portal vein imaging and 3D reconstruction in the diagnosis of portal vein aneurysm,and to improve the diagnostic accuracy.Methods The clinical and imaging data of 19 patients diagnosed with portal vein aneurysm by 320-row dynamic volume CT were retrospectively analyzed.The location,size,portal vein branch type,intratumoral thrombosis,intrahepatic shunt and complications of portal vein tumor were observed by three-dimensional postprocessing and reconstruction techniques such as volume reconstruction,maximum density projection and multiplane reconstruction.Results The 19 patients with portal vein aneurysm were older and asymptomatic,all of them were single,of which 11(57.9%)were located in the portal branch,mainly in the branch bifurcations,7(36.8%)were located in the main portal vein,and 1(5.3%)was located in the main portal vein and superior mesenteric vein.19 cases of portal vein tumor showed cystic or fusiform expansion,the largest size was about 4.8cm×3.2 cm,the smallest size was about 1.5 cm×1.2 cm.There were 15 cases(78.9%)of Normal anatomy(Type I),1 case(5.3%)of Trifurcation(Type II),and 3 cases(15.8%)of Right posterior vein as first branch of main PV(Type III).None of the 19 cases had intrahepatic shunt,15 cases(78.9%)had no intrahepatic shunt,4 cases(21.1%)had intrahepatic shunt,9 cases(47.4%)had liver disease,6 cases(31.5%)had biliary disease,and 4 cases(21.1%)had no complications.Conclusion Dynamic volume CT portal vein imaging and 3D reconstruction technology can clearly show the location,size,intratumoral thrombosis and intrahepatic shunt of portal vein aneurysm,and provide more image information for clinical diagnosis and treatment.

关 键 词：门静脉瘤 CT 血管成像 三维重建 

分 类 号：R543.6[医药卫生—心血管疾病]