Sci—Thurs PM: Planning—12: Efficient Treatment Delivery of Lung Stereotactic Body Radiation Therapy (SBRT) Using Volumetric Modulated Arc Therapy (VMAT)

Sci—Thurs PM: Planning—12: Efficient Treatment Delivery of Lung Stereotactic Body Radiation Therapy (SBRT) Using Volumetric Modulated Arc Therapy (VMAT)

This study investigates the potential of VMAT technology for treatment planning of non‐small lung (NSLC) cancer. VMAT plans were generated for patients previously treated with SBRT for NSLC. When comparing the 3d‐conformal clinical plans and VMAT plans using two arcs, the later showed improved confo...

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Bibliographic Details
Published in:Medical Physics Vol. 36; no. 9; p. 4320
Main Authors: Comsa, DC, Purdie, TG, Cho, J, Moseley, DJ
Format: Conference Proceeding Journal Article
Language:English
Published: American Association of Physicists in Medicine 01-09-2009
Subjects:
Cancer
Dosimetry
Drug delivery
Lungs
Medical treatment planning
Radiation therapy
Radiation treatment
Therapeutics
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Description
Summary:This study investigates the potential of VMAT technology for treatment planning of non‐small lung (NSLC) cancer. VMAT plans were generated for patients previously treated with SBRT for NSLC. When comparing the 3d‐conformal clinical plans and VMAT plans using two arcs, the later showed improved conformality: the 30Gy volume was reduced by 12% and the maximum dose at 2cm from the PTV decreased on average by 18%. For the NSCL treatments, a five‐fold reduction in treatment delivery times using VMAT is also predicted.
ISSN:0094-2405
2473-4209
DOI:10.1118/1.3244183