Sparing dysphagia/aspiration related structures using novel hybrid volumetric modulated arc therapy

Highlights • Utility of hybrid-VMAT for sparing DARS in postoperative oral cavity cancer patients was studied. • Hybrid-VMAT was dosimetrically compared with VMAT. • Matchline dose verification was done using absolute point dose and EPID measurements. • DARS sparing was better with hybrid-VMAT with...

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Bibliographic Details
Published in:Physica medica 2017-07, Vol.39, p.80-87
Main Authors: BalajiSubramanian, Sitaraman, Balaji, Karunakaran, Thirunavukarasu, Moorthi, Premkumar, Sumana
Format: Article
Language:English
Subjects:
DARS
Deglutition Disorders - etiology
Deglutition Disorders - prevention & control
Humans
Hybrid VMAT
Matchline dose
Mouth Neoplasms - radiotherapy
Oral cavity cancer
Pneumonia, Aspiration - etiology
Pneumonia, Aspiration - prevention & control
Radiology
Radiometry
Radiotherapy Dosage
Radiotherapy Planning, Computer-Assisted
Radiotherapy, Intensity-Modulated - adverse effects
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Summary:Highlights • Utility of hybrid-VMAT for sparing DARS in postoperative oral cavity cancer patients was studied. • Hybrid-VMAT was dosimetrically compared with VMAT. • Matchline dose verification was done using absolute point dose and EPID measurements. • DARS sparing was better with hybrid-VMAT with no matchline dose uncertainty.
ISSN:1120-1797
1724-191X
DOI:10.1016/j.ejmp.2017.05.073