• Center of Liver transplantation and Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
YAN Lunan, Email: yanlunan668@163.com
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Objective  To explore feasibility and effectiveness of three-dimensional (3D) printing technology in precise hepatectomy. Methods  The patient was a 60-year-old woman with diagnosis of liver malignancy. The liver model was reconstructed using the IQQA Liver System (EDDA Technology, Inc. USA) based on the CT scan data. The volumes of the liver and the lesion were measured and recorded. The CT data were further digitally reconstructed by means of cloud computing and storage with RevoCloud (V1.0) Medical Imaging System. The best surgical plan was determined by the repeated virtual surgical resection with the reconstruction system, based on the corresponding resected liver volume and the remaining liver volume. Results  The reconstruction of liver clearly showed that the tumor invaded the right hepatic and middle hepatic veins, as well as the anterior branch of right portal vein, which was consistent with the conclusion of CT scan. In the other hand, the right posterior branch of the portal vein was completely distributed in the segment Ⅴ and Ⅵ, while a relatively large right posterior inferior vena presented and drained segment Ⅴ and Ⅵ. The anatomic resection of segment Ⅶ, Ⅷ , and Ⅳa was completed according to the preoperative plan. The liver function kept recovering, and the patient discharged a week later. Conclusion  Results of this patient show that 3D printing technology can accurately assess anatomic construction of liver and determine relationship between lesion and its surrounding tissue, which can be effectively used in precise hepatectomy.

Citation: YANG Jian, TAN Yifei, JIANG Li, YANG Jiayin, YAN Lunan. Application of three-dimensional printing technology to precise hepatectomy. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2018, 25(1): 71-76. doi: 10.7507/1007-9424.201712100 Copy

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