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Endoscopic Ultrasound-Guided Fiducial Markers and Brachytherapy

机译:内窥镜引导基准标记和近距离放射治疗

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Endoscopic ultrasound (EUS)-guided needle placement of small radiopaque particles paves the way for EUS-guided fiducial markers and brachytherapy. Stereotactic body radiation therapy relies on image-guided radiation therapy (IGRT), permitting escalation of radiation dose to tumors while minimizing dose to normal tissues. Fiducial markers are radiopaque spheres, coils, or seeds that are implanted in or near tumors for IGRT. Brachytherapy is a therapeutic modality for various cancers. Both require precise and minimally-invasive seed placement, which EUS provides. This article reviews recent literature regarding the safety and efficacy of these procedures and discusses novel concepts, including EUS-guided celiac ganglia radiation neurolysis.
机译:内窥镜超声(EUS)引导的不透射线小颗粒的针头放置为EUS引导的基准标记和近距离治疗铺平了道路。立体定向放射疗法依赖于图像引导放射疗法(IGRT),可以使向肿瘤的放射剂量逐步增加,同时将对正常组织的放射剂量降至最低。基准标记是为IGRT植入肿瘤内或附近的不透射线的球体,线圈或种子。近距离放射疗法是多种癌症的治疗方式。两者都需要EUS提供的精确且微创的种子放置方式。本文回顾了有关这些程序的安全性和有效性的最新文献,并讨论了新概念,包括EUS引导的腹腔神经节放射神经溶解。

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