Head and neck adaptive radiotherapy

被引：8
|
作者：
Graff, P. [1 ]
Huger, S. [1 ,2 ,3 ]
Kirby, N. [4 ]
Pouliot, J. [4 ]
机构：
[1] Inst Cancerol Lorraine, Serv Radiotherapie, F-54519 Vandoeuvre Les Nancy, France
[2] Univ Lorraine, CRAN, UMR 7039, F-54506 Vandoeuvre Les Nancy, France
[3] CRNA, CNRS, UMR 7039, F-54506 Vandoeuvre Les Nancy, France
[4] Univ Calif San Francisco, Dept Radiat Oncol, San Francisco, CA 94143 USA
来源：
CANCER RADIOTHERAPIE | 2013年 / 17卷 / 5-6期
关键词：
Head and neck cancers; Image-guided radiotherapy; Adaptive radiotherapy; Deformable image registration; Cumulative dose; CONE-BEAM CT; INTENSITY-MODULATED RADIOTHERAPY; DEFORMABLE IMAGE REGISTRATION; GUIDED RADIATION-THERAPY; POSITRON-EMISSION-TOMOGRAPHY; CANCER RADIOTHERAPY; COMPUTED-TOMOGRAPHY; SETUP UNCERTAINTIES; DOSE RECALCULATION; GEOMETRIC CHANGES;
D O I：
10.1016/j.canrad.2013.06.040
中图分类号：
R73 [肿瘤学];
学科分类号：
100214 ;
摘要：
Onboard volumetric imaging systems can provide accurate data of the patient's anatomy during a course of head and neck radiotherapy making it possible to assess the actual delivered dose and to evaluate the dosimetric impact of complex daily positioning variations and gradual anatomic changes such as geometric variations of tumors and normal tissues or shrinkage of external contours. Adaptive radiotherapy is defined as the correction of a patient's treatment planning to adapt for individual variations observed during treatment. Strategies are developed to selectively identify patients that require replanning because of an intolerable dosimetric drift. Automated tools are designed to limit time consumption. Deformable image registration algorithms are the cornerstones of these strategies, but a better understanding of their limits of validity is required before adaptive radiotherapy can be safely introduced to daily practice. Moreover, strict evaluation of the clinical benefits is yet to be proven. (C) 2013 Societe francaise de radiotherapie oncologique (SFRO). Published by Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：513 / 522
页数：10
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