Effect of immobilization mask and beam energy on dose coverage to small joints in treating osteoarthritis with low‐dose radiation therapy
Eclipse calculations are less accurate, and underestimate D<sub>95</sub> target dose by 7% even with bolus. When Monte Carlo is not available, prescribing to the D50 in Eclipse can lead to an actual D<sub>95</sub> coverage of >90%. The immobilization mask provides adequate buildup for 6 MV beam. To obtain the full benefit of lower-energy beams the 2.5 MV-flattened beam provided the best dose coverage regardless of the use of a mask when treating small joints.
Authors
- Eric T. Shinohara (ORCID: https://orcid.org/0000-0001-9322-2531)
- G Ding (ORCID: https://orcid.org/0000-0002-3700-3024)
- Kenneth Homann
Institutions
- Vanderbilt University (US)
Publication Details
- Journal
- Medical Physics
- Published
- 2025-09-01
- DOI
- https://doi.org/10.1002/mp.18099
- Citations
- 1
- Primary Topic
- Advanced Radiotherapy Techniques
- Type
- article
- Field-Weighted Citation Impact
- 1.88