July 30, 2014/PRNewswire：10月发表在《Neurosurgery》的研究结果显示，带有RapidArc技术EDGE放射治疗系统能够更有效更低损伤地切除多发性脑转移瘤 [1]。该治疗技术明显优于Gamma Knife（伽马刀）和Cyberknife（射波刀）。

EDGE radiosurgery（速锋刀）治疗强度是伽马刀和射波刀的6倍以上，并且EDGE一次可以切除多个肿瘤灶，而伽马刀和射波刀一次只能切除一个肿瘤灶。

EDGE对多发性脑转移瘤的切除，只需要22分钟或者更少时间即可完成，而伽马刀和射波刀等其他放射治疗需要1到5个小时。

[1] ThomasEM et al. Comparison of Plan Quality and Delivery Time between Volumetric Arc Therapy (RapidArc) and Gamma Knife Radiosurgery for Multiple Cranial Metastases. Neurosurgery 2014 May 27. [Epub ahead of print]. 2014 Neurosurgery–Comparison of Plan Quality and Delivery Time between VMAT and Gamma Knife Radiosu

http://www.bioportfolio.com/news/article/2011721/Study-Shows-that-RapidArc-Radiosurgery-Substantially-More-Efficient-and-Comparable-in-Quality.html