The gamma knife is a type of what we call stereotactic radiosurgery.
伽玛刀是一种立体定向放射外科手术。
Stereotactic radiosurgery
原声例句
连线杂志
TED-Ed（视频版）
This treatment is called stereotactic radiosurgery, and those light beams are beams of radiation: their task is to destroy tumors by gradually scrubbing away malignant cells.
这种治疗称为立体定向放射外科手术，那些光束就是辐射束：它们的任务是通过逐渐清除恶性细胞来摧毁肿瘤。
英语百科
Stereotactic surgery
（重定向自Stereotactic radiosurgery）
![Brain biopsy using a needle mounted on a stereotactic instrument](/Images/godic/202502/13/Brain_biopsy_under_stereotaxy3051.jpg")
![Gammaknife](/Images/godic/202502/13/Gammaknife3051.jpg")
![Frame for Stereotactic Thalamotomy on display at the Glenside Museum](/Images/godic/202502/13/Frame_for_Stereotactic_Thalamotomy_on_display_at_the_Glenside_Museum3051.JPG")
Stereotactic surgery or stereotaxy (not to be confused with the virtuality concept of stereotaxy) is a minimally invasive form of surgical intervention which makes use of a three-dimensional coordinate system to locate small targets inside the body and to perform on them some action such as ablation, biopsy, lesion, injection, stimulation, implantation, radiosurgery (SRS), etc.