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THE KOREAN LIVER CANCER ASSOCIATION
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Original Article
- Selection of Proper Modality in Stereotactic Body Radiation Therapy for Hepatocellular Carcinoma
- Seo hee Choi, Joong Yeol Woo, Jinsil Seong
- J Liver Cancer. 2017;17(1):45-53. Published online March 31, 2017
- DOI: https://doi.org/10.17998/jlc.17.1.45
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Abstract
PDF - Background/Aims
As the optimal stereotactic body radiation therapy (SBRT) modality for hepatocellular carcinoma (HCC) has not been confirmed, we aimed herein to provide a practical guideline by our retrospective review.
Methods
Thirty-nine patients with primary HCC who underwent liver SBRT via 3 modalities (helical tomotherapy [HT]: 22, volumetric modulated arc therapy [VMAT]: 13, Cyberknife: 4) at our institution between July 2014 and July 2015 were included. Modalities were compared with regard to dose conformity index (CI), homogeneity index (HI), clinical results, and patient compliance.
Results
VMAT SBRT had favorable conformity (CI: 0.7±0.2), homogeneity (HI: 1.1±0.0), and shortest treatment time (100.2±26.1 seconds). HT SBRT yielded good dosimetric outcomes, especially in conformity (CI: 1.0±0.2). Although the Cyberknife SBRT synchrony system allowed real-time tumor targeting, the treatment time was longest (3,015.0±447.3 seconds), invasive pre-treatment procedures were required, and the HI (1.3±0.0) was lowest.
Conclusions
All 3 modalities yielded competent dosimetric planning parameters. VMAT SBRT was most appropriate for tumors with residual lipiodol or patients with poor conditions. HT SBRT is available for multiple or irregular targets. Cyberknife SBRT is recommended for carefully selected patients and tumors indicated for sono-guided fiducial insertion. -
Citations
Citations to this article as recorded by
- Plan quality analysis of stereotactic ablative body radiotherapy treatment planning in liver tumor
Anirut Watcharawipha, Somvilai Chakrabandhu, Anupong Kongsa, Damrongsak Tippanya, Imjai Chitapanarux
Journal of Applied Clinical Medical Physics.2023;[Epub] CrossRef
- Plan quality analysis of stereotactic ablative body radiotherapy treatment planning in liver tumor
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