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Planning analysis for locally advanced lung cancer: dosimetric and efficiency comparisons between intensity-modulated radiotherapy (IMRT), single-arc/partial-arc volumetric modulated arc therapy (SA/PA-VMAT) by Xiaoqin Jiang; Tao Li; Yongmei Liu; Lin Zhou; Yong Xu; Xiaojuan Zhou; Youling Gong is a Medicine article available to read on EtoBox.

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## Abstract ## Purpose To analyze the differences between the intensity-modulated radiotherapy (IMRT), single/partial-arc volumetric modulated arc therapy (SA/PA-VMAT) techniques in treatment planning for locally advanced lung cancer. ## Materials and methods 12 patients were retrospectively studied. In each patient's case, several parameters were analyzed based on the dose-volume histograms (DVH) of the IMRT, SA/PA-VMAT plans respectively. Also, each plan was delivered to a phantom for time comparison. ## Results The SA-VMAT plans showed the superior target dose coverage, although the minimum/mean/maximum doses to the target were similar. For the total and contralateral lungs, the higher V~5/10~, lower V~20/30~ and mean lung dose (MLD) were observed in the SA/PA-VMAT plans (__p__ < 0.05, respectively). The PA-VMAT technique improves the dose sparing (V~20~, V~30~ and MLD) of the controlateral lung more notably, comparing to those parameters of the IMRT and SA-VMAT plans respectively. The delivered monitor units (MUs) and treatment times were reduced significantly with VMAT plans, especially PA-VMAT plans (for MUs: mean 458.3 __vs__. 439.2 __vs__. 435.7 MUs, __p__ < 0.05 and for tr

Who reads Planning analysis for locally advanced lung cancer: dosimetric and efficiency comparisons between intensity-modulated radiotherapy (IMRT), single-arc/partial-arc volumetric modulated arc therapy (SA/PA-VMAT)?

Author

Xiaoqin Jiang; Tao Li; Yongmei Liu; Lin Zhou; Yong Xu; Xiaojuan Zhou; Youling Gong

Publisher

BioMed Central; Springer (Biomed Central Ltd.); [London]: BioMed Central, 2006-; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 1748-717X)

Published

2011

Language

EN

Field

Medicine (Health Sciences)