A treatment planning comparison between modulated tri-cobalt-60 teletherapy and linear accelerator-based stereotactic body radiotherapy for central early-stage non-small cell lung cancer.-临床诊疗知识库

A treatment planning comparison between modulated tri-cobalt-60 teletherapy and linear accelerator-based stereotactic body radiotherapy for central early-stage non-small cell lung cancer.

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作者：

Catherine, Merna；Jean-Claude M, Rwigema；Minsong, Cao；Pin-Chieh, Wang；Amar U, Kishan；Argin, Michailian；James, Lamb；Ke, Sheng；Nzhde, Agazaryan；Daniel A, Low；Patrick, Kupelian；Michael L, Steinberg；Percy, Lee

来源：

Medical dosimetry : official journal of the American Association of Medical Dosimetrists 2016 年 41卷 1期

标签：

Early-stage lung cancer MRI-guided radiotherapy SBRT ViewRay non?small cell lung cancer

We evaluated the feasibility of planning stereotactic body radiotherapy (SBRT) for large central early-stage non-small cell lung cancer with a tri-cobalt-60 (tri-(60)Co) system equipped with real-time magnetic resonance imaging (MRI) guidance, as compared to linear accelerator (LINAC)-based SBRT. In all, 20 patients with large central early-stage non-small cell lung cancer who were treated between 2010 and 2015 with LINAC-based SBRT were replanned using a tri-(60)Co system for a prescription dose of 50Gy in 4 fractions. Doses to organs at risk were evaluated based on established MD Anderson constraints for central lung SBRT. R100 values were calculated as the total tissue volume receiving 100

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