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Use of surface markers for MR radiotherapy planning
G Fischer1, D Matthaei, H P Carduck
1Klinik und Poliklinik für Strahlentherapie, Universität, Göttingen.
Summary
New gel markers used with Magnetic Resonance (MR)-imaging improve radiotherapy planning. This technique enhances tumor targeting and organ protection during treatment by clearly visualizing both the tumor and treatment fields.
Area of Science:
- Medical Imaging
- Radiotherapy Physics
Background:
- Precise radiotherapy requires accurate delineation and control of treatment port borders.
- Conventional methods for checking treatment ports can be improved with advanced imaging techniques.
Purpose of the Study:
- To evaluate the efficacy of novel gel markers with MR-imaging for radiotherapy port verification.
- To demonstrate the practical application and benefits of this new technique in clinical settings.
Main Methods:
- Development and characterization of new gel markers for MR-imaging.
- Application of gel markers on patient skin for radiotherapy port localization.
- Utilizing multiplanar MR-imaging for visualization and verification.
Main Results:
- Gel markers provide essential physical qualities suitable for MR-imaging.
- Multiplanar MR-imaging with skin-based gel markers offers a fast, simple, and effective method for treatment planning control.
- Imaging examples demonstrate practical applications and technique considerations.
Conclusions:
- MR-imaging with gel markers allows simultaneous visualization of tumors and treatment fields.
- This technique refines radiotherapy planning, ensuring complete target volume coverage.
- Improved planning enhances protection for sensitive organs during radiation therapy.