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Fig. 2 | World Journal of Surgical Oncology

Fig. 2

From: Two-stage laparoscopic resection of giant hepatoblastoma in infants combined with liver partial partition and artery ligation

Fig. 2

a Upon the first visit, CTA revealed giant tumor in the right lobe of liver with unclear boundary, involvement of the right branch of portal vein and tumor thrombi. There were local involvement of the hepatic segment of inferior vena cava and right hepatic vein. There was tumor thrombus in the central vein of liver. b The Hisense CAS system reconstructs tumors, liver, and blood vessels. At the time of initial diagnosis, the tumor volume reached 1034.5 ml. c The Hisense CAS system simulates hepatectomy, and the residual liver volume percentage is only 18.32%, which cannot meet the needs of liver resection. d After neoadjuvant chemotherapy, the tumor volume shrank considerably than before. e The Hisense CAS system reconstituted tumors, liver, and blood vessels, and the residual liver volume was increased. f CTA revealed that the right branch of hepatic artery supplied blood to the tumor. g At 2 weeks after stage 1 laparoscopic right hepatic artery ligation and partial partition of liver parenchyma, the tumor further shrank in size and the intratumoral necrosis further expanded. h After reconstruction of the tumor, liver, and blood vessels by the Hisense CAS system, the tumor volume further shrank and the residual liver volume was further increased. The blood flow to the tumor from the right hepatic artery was cut off by the ligation. i Postoperative CTA located the partition line in liver parenchyma

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