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Treatment of Liver Metastases Using an Internal Target Volume Method for Stereotactic Body Radiotherapy
Published on: May 8, 2018
Computed tomography-guided brachytherapy for liver cancer
1Klinik für Radiologie und Nuklearmedizin, Universitätsklinikum Magdeburg, Magdeburg, Germany. jens.ricke@med.ovgu.de
Seminars in Radiation Oncology
|September 24, 2011
Summary
Percutaneous, catheter-based brachytherapy offers a safe alternative for liver cancer treatment, especially for large or difficult-to-reach tumors. This CT-guided approach shows promising survival rates and fewer complications than thermal ablation.
Area of Science:
- Oncology
- Radiotherapy
- Medical Imaging
Background:
- Thermal ablation for liver cancer has limitations.
- Percutaneous, catheter-based brachytherapy has emerged as an alternative.
- Computed tomography (CT)-guided brachytherapy is utilized for liver malignancies.
Purpose of the Study:
- To review the radiobiological and technical aspects of CT-guided brachytherapy for liver cancer.
- To discuss patient selection criteria for this treatment modality.
- To summarize published prospective trials and their outcomes.
Main Methods:
- CT-guided brachytherapy involves catheter implantation for radiation delivery.
- CT scanning is used for dosimetry planning and catheter placement guidance.
- The technique is applicable to primary and metastatic liver cancers, including large tumors (>10 cm).
Main Results:
- Brachytherapy avoids cooling effects from adjacent blood vessels, making it suitable for tumors near the liver hilum.
- Major complications, such as bleeding, are rare, even in salvage cases.
- Prospective trials report promising survival rates for liver metastases and hepatocellular carcinoma.
Conclusions:
- CT-guided brachytherapy is a safe and effective treatment for various liver cancers, offering advantages over thermal ablation.
- The technique is well-tolerated, with a low incidence of serious complications.
- Further investigation and application in prospective trials support its role in liver cancer management.
