3D printing model of the intrahepatic vessels for navigation during anatomical resection of hepatocellular carcinoma

International Journal of Surgery Case Reports
Shintaro KurodaHideki Ohdan

Abstract

The 3D printing model of the intrahepatic vessels and regional anatomy are often used for navigation surgery. Here, we report the use of the model for anatomical resection of hepatocellular carcinoma. Case 1: A tumor, 31mm in diameter, was located in segment 7 of the liver. Using the 3D model, we identified the regional Glissonian pedicle and performed resection of segment 7. Case 2: The tumor was located in segment 4/8 and involved the middle hepatic vein. Radical resection of segment 4 and of the ventral area of the right anterior section was performed using the 3D model. The positional relationship between the intrahepatic vessels and liver tumors is the most important factor for anatomical resection for hepatocellular carcinoma. Therefore our simplified 3D model of intrahepatic vessels without liver parenchyma is sufficient for effective guidance during surgery and has the advantage of being feasible to use for all HCC surgeries. Use of 3D printed models might have many merits and contribute to the great improvement of the surgical quality.

Citations

Feb 8, 2018·Journal of Functional Biomaterials·Karthik Tappa, Udayabhanu Jammalamadaka
Feb 2, 2019·World Journal of Gastrointestinal Surgery·Apollon Zygomalas, Ioannis Kehagias
Aug 8, 2019·World Journal of Hepatology·Peter BangeasGeorgios Tsoulfas
Jan 26, 2021·Translational Oncology·Robin AugustineAnwarul Hasan
Dec 18, 2020·Global Health & Medicine·Akinori MiyataNorihiro Kokudo
Jul 10, 2021·Advanced Science·Zhongboyu JinYong He

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