多层螺旋CT血管成像对胰腺癌侵犯胰周血管的表现及可切除性评价

目的：评价多层螺旋CT血管成像（MSCTA）检查对胰腺癌侵犯胰周主要血管的影像表现及手术可切除性评价。方法：使用16层螺旋CT对胰腺癌患者扫描后,进行动脉期和门脉期胰周主要血管CTA三维成像。以三维图像为主,结合原始图像对胰周血管是否受累进行判别及评价,并与手术对照。结果：51例手术病例与手术结果比较,术前MSCTA判断不能切除的21例中手术均无法切除,术前MSCTA判断能切除的30例中手术结果能切除28例,2例误判,判断符合率为93%。结论：MSCTA对于胰腺癌术前可切除性评估具有重要的临床意义。

Preoperative assessment of peripancreatic vessel encroached by pancreatic carcinoma with multi-slice CT angiography

Objective：To evaluate various characteristics of muti-slice CT angiography（MSCTA） signs of peripancreatic vascular invasion in pancreatic carcinoma and resectability of the pancreatic carcinoma.Methods： Patients with pancreatic carcinoma were scanned by 16-detector row computed tomography（CT）.The source axial images obtained in arterial phase and portal phase were postprocessed mainly with 3D techniques to make CT angiography of the major peripancreatic vessels.The state of the peripancreatic vessel encroached by pancreatic carcinoma was evaluated and correlated with operative results.Results： Totally 51 patients were operated.Twenty one cases were assessed unresectable by MSCTA,all were actually unresectable in operation.In 30 cases assessed resectable by MSCTA,28 were actually resected in operation,only 2 case were wrongly evaluated.The accuracy was 93%.Conclusion：MSCTA may be useful in predicting resectability of pancreatic carcinoma.