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Background  Portal vein tumor thrombus (PVTT) is common in hepatocellular carcinoma (HCC). Recent studies indicate that more aggressive treatments, including surgical resection or locoregional treatment, may benefit selected HCC patients with PVTT. External radiation therapy and infusion chemotherapy were found to achieve good outcomes; however, the use of low-energy x-ray radiation system (INTRABEAM), intraoperative radiation therapy, and portal vein infusion chemotherapy for PVTT has not been reported.    Case summary  We present a case of HCC with PVTT. The patient underwent hemihepatectomy and thrombectomy along with intraoperative radiotherapy (IORT) using a portable INTRABEAM radiation system. Subsequently, to treat PVTT, portal vein infusion chemotherapy with FOLFOX (leucovorin [Folinic acid], fluorouracil, and oxaliplatin) regimen was administered. There were no obvious post-operative complications. After 20 months follow-up period, no obvious tumor recurrence had been observed, and PVTT gradually disappeared completely.    Conclusions  IORT using the INTRABEAM radiation system combined with portal vein infusion chemotherapy is promising for select patients with PVTT.

bmc surgery

INTRABEAM intraoperative radiotherapy combined with portal vein infusion chemotherapy for treating hepatocellular carcinoma with portal vein tumor thrombus