Emerging role of MRI in radiation therapy.
Emerging role of MRI in radiation therapy.
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DOI：
10.1002/jmri.26271
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发表时间：
2018-12
期刊：
影响因子：
--
通讯作者：
Das IJ
中科院分区：
文献类型：
--
作者：
Chandarana H;Wang H;Tijssen RHN;Das IJ
多模态成像技术的进步，提供了辐照靶体积和邻近危险关键结构或器官（OAR）的准确信息，大大改善了外束辐射剂量的传递。放射治疗传统上使用计算机断层扫描（CT）成像来制定治疗计划和给药。然而，磁共振成像（MRI）提供了独特的优势：增加的对比信息可以改善感兴趣区域的分割，运动信息可以帮助更好地定位和提供放射治疗，治疗后结果分析可以更好地了解放射的生物效应。为了利用MRI在放射治疗中的这些和其他潜在优势，放射科医生和MRI物理学家需要了解当前的放射治疗工作流程，并与我们的放射治疗同事使用相同的语言。这篇综述文章强调了MRI在辐射剂量计划和传递中的新作用，但更多的是在MRI治疗计划和传递中。本文还简要讨论了在放射治疗工作流程中实施MRI的一些领域和挑战。
Advances in multimodality imaging, providing accurate information of the irradiated target volume and the adjacent critical structures or organs at risk (OAR), has made significant improvements in delivery of the external beam radiation dose. Radiation therapy conventionally has used computed tomography (CT) imaging for treatment planning and dose delivery. However, magnetic resonance imaging (MRI) provides unique advantages: added contrast information that can improve segmentation of the areas of interest, motion information that can help to better target and deliver radiation therapy, and posttreatment outcome analysis to better understand the biologic effect of radiation. To take advantage of these and other potential advantages of MRI in radiation therapy, radiologists and MRI physicists will need to understand the current radiation therapy workflow and speak the same language as our radiation therapy colleagues. This review article highlights the emerging role of MRI in radiation dose planning and delivery, but more so for MR-only treatment planning and delivery. Some of the areas of interest and challenges in implementing MRI in radiation therapy workflow are also briefly discussed.
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