期刊
MEDICAL PHYSICS
卷 27, 期 9, 页码 2100-2108出版社
AMER INST PHYSICS
DOI: 10.1118/1.1288683
关键词
organ deformation; organ motion; setup error; stochastic processes; dose-volume histogram
资金
- NCI NIH HHS [CA71785] Funding Source: Medline
- NATIONAL CANCER INSTITUTE [R29CA071785] Funding Source: NIH RePORTER
A method to measure the effects of internal organ motion and deformation and patient setup error on cumulative dose variation in a volume of interest is proposed. The method uses multiple CT scans and electronic portal images of a single patient to numerically simulate dose-volume effects over the entire course of the patient's external beam treatment. The results are expressed in the form of a novel dose-volume histogram, called an expected dose-volume histogram (EDVH). (C) 2000 American Association of Physicists in Medicine. [S0094-2405(00)01309-2].
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