Immobilization devices for intensity-modulated radiation therapy (IMRT). |
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Authors: | C B Saw R Yakoob C A Enke T P Lau K M Ayyangar |
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Affiliation: | Department of Radiation Oncology, University of Nebraska Medical Center, Omaha 68198-7521, USA. csaw@nhsnet.org |
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Abstract: | Three-dimensional conformal radiation therapy (3DCRT) and intensity-modulated radiation therapy (IMRT) plans show radiation dose distribution that is highly conformal to the target volume. The successful clinical implementation of these radiotherapy modalities requires precise positioning of the target to avoid a geographical miss. Effective reduction in target positional inaccuracies can be achieved with the proper use of immobilization devices. This paper reviews some of the immobilization devices that have been used and/or have the potential of being used for IMRT. The immobilization devices being reviewed include stereotactic frame, Talon system, thermoplastic molds, Alpha Cradles, and Vac-Lok system. The implementation of these devices at various anatomical sites is discussed. |
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