MRI-only treatment planning: benefits and challenges.

MRI-only treatment planning: benefits and challenges.
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DOI:
10.1088/1361-6560/aaaca4
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发表时间:
2018-02-26
影响因子:
3.5
通讯作者:
Glide-Hurst CK
Glide-Hurst CK
中科院分区:
工程技术2区
文献类型:
--
作者:
Owrangi AM;Greer PB;Glide-Hurst CK

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Over the past decade, the application of magnetic resonance imaging (MRI) has increased, and there is growing evidence to suggest that improvements in the accuracy of target delineation in MRI-guided radiation therapy may improve clinical outcomes in a variety of cancer types. However, some considerations should be recognized including patient motion during image acquisition and geometric accuracy of images. Moreover, MR-compatible immobilization devices need to be used when acquiring images in the treatment position while minimizing patient motion during the scan time. Finally, synthetic CT images (i.e. electron density maps) and digitally reconstructed radiograph (DRR) images should be generated from MRI images for dose calculation and image guidance prior to treatment. A short review of the concepts and techniques that have been developed for implementation of MRI-only workflows in radiation therapy is provided in this document.
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