所谓X刀和γ刀,原是两种新型的高技术医疗仪器。说是“刀”,其实并无刀的外形,只是取其寓意而已,是指它的功能可以像锋利的手术刀那样,消除病损组织,而使周围的正常组织不受侵害。那么,究竟这两种刀是怎么发挥功效的呢?话还要从头说起。X刀和γ The so-called X knife and gamma knife, was originally two new high-tech medical equipment. To say that a “knife” does not actually have the shape of a knife but merely takes its moral meaning means that it functions like a sharp scalpel to eliminate diseased tissue and keep the surrounding normal tissue intact. So how exactly do these two kinds of knives work? X knife and γ