Fang Chi-hua, Lu Chao-min, Huang Yan-peng, Li Xiao-feng, Liao Qi-guang, Cheng Bin
Department of General Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China.
Nan Fang Yi Ke Da Xue Xue Bao. 2009 Jan;29(1):16-9.
To investigate the value of virtual surgery in hepatic artery reconstruction in liver recipients with type II hepatic artery variation.
A patient with cholangiocellular carcinoma and a healthy individual were scanned using 64-slice spiral CT, and image segmentation and three-dimensional (3D) reconstruction were performed using an image processing system. The 3D models in STL format were then imported to the FreeForm Modeling System for smoothing and refinement. Hepatic artery reconstruction was performed in simulated liver transplantation using the virtual surgery system with force feedback (PHANTOM).
The reconstructed model contained the liver, hepatic arteries, biliary system, and bile duct tumor emboli and displayed the entire branching of the hepatic artery with type II variation. Using the virtual surgery system, arterial reconstruction was performed by anastomosing the donor celiac trunk and the recipient abdominal aorta with the virtual scalpel and needle.
The reconstructed model allows clearer views of the 3D structures of the arteries in the liver and helps in preoperative preparations and surgical planning of artery reconstruction during liver transplantation. This approach may also help reduce the surgical risks and potential complications.
探讨虚拟手术在Ⅱ型肝动脉变异肝移植受者肝动脉重建中的价值。
对1例胆管细胞癌患者和1例健康个体进行64层螺旋CT扫描，利用图像处理系统进行图像分割和三维（3D）重建。然后将STL格式的3D模型导入FreeForm建模系统进行平滑和细化。在模拟肝移植中使用带力反馈的虚拟手术系统（PHANTOM）进行肝动脉重建。
重建模型包含肝脏、肝动脉、胆道系统和胆管肿瘤栓子，显示了具有Ⅱ型变异的肝动脉的完整分支。使用虚拟手术系统，通过用虚拟手术刀和针吻合供体腹腔干和受体腹主动脉进行动脉重建。
重建模型能更清晰地显示肝脏动脉的三维结构，有助于肝移植术中动脉重建的术前准备和手术规划。这种方法也可能有助于降低手术风险和潜在并发症。
