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Comparison of Angio-CT and cone-beam CT-guided immediate radiofrequency ablation after transcatheter arterial chemoembolization for large hepatocellular carcinoma

  • Interventional Radiology
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Abdominal Radiology Aims and scope Submit manuscript



To evaluate the rapeutic effectiveness of Angio-CT or cone-beam CT (CBCT)-guided immediate radiofrequency ablation (RFA) after transcatheter arterial chemoembolization (TACE) for large hepatocellular carcinoma (HCC).


117 large HCC patients (mean maximum diameter: 9.3 cm; range 5.3–17.7 cm) were retrospective studied and divided into Angio-CT group (n = 66 cases), CBCT group (n = 21 cases), and single TACE group (n = 30 cases) according to treatment (Angio-CT/CBCT-guided immediate RFA after TACE, single TACE, respectively). The operative time, effective radiation dose, local–regional tumor responses, overall survival (OS), and progression‑free survival (PFS) time and complications were recorded.


The operative time and effective radiation dose of Angio-CT group and CBCT group were higher than those of TACE group (P < 0.01). The local–regional tumor responses on 1-month follow-up MRI (complete response + partial response) of Angio-CT group and CBCT group were 100%, which were significantly higher than that of single TACE group (76.7%, P < 0.05). There was no significant difference in local–regional tumor responses of 1-month follow-up between Angio-CT group and CBCT group (P = 0.831). The median PFS and OS time of Angio-CT group were 14.7 ± 1.43 months and 18.21 ± 0.88 months, CBCT group were 13.9 ± 1.53 months and 17.87 ± 1.78 months, TACE group were 10.4 ± 1.21 months and 12.87 ± 0.91 months, respectively. No procedure-related major complications occurred.


MIYABI Angio-CT or CBCT-guided immediate RFA after TACE for large HCC both have more effective than single TACE. The former is worth popularizing, due to its advantages of convenience, shorter operative time, and less radiation dose for doctors.

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This study was funded by grants from The National Natural Science Foundation of China (No. 81671800), and The Natural Science Foundation of Beijing Municipality (No. 7172204)

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Correspondence to Fengyong Liu.

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Yuan, H., Li, X., Tian, X. et al. Comparison of Angio-CT and cone-beam CT-guided immediate radiofrequency ablation after transcatheter arterial chemoembolization for large hepatocellular carcinoma. Abdom Radiol 45, 2585–2592 (2020).

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