objective to determine if the whole brain radiotherapy (wbrt) is necessary in patients with single brain metastases from non small cell lung cancer treated with stereotactic radiosurgery (srs).

目的：确定立体定向放射外科治疗非小细胞肺癌单发脑转移瘤是否需合并全脑照射。

whole brain radiation is the basic method of multiple brain metastasis. stereotactic radiosurgery is only applicable to some patients.

全脑放射治疗是多发脑转移瘤的基本放疗手段，立体定向放射治疗只适用于某些脑转移瘤患者。

it is the only stereotactic radiosurgery system utilizing image guidance technology and a computer-controlled robotic arm.

该系统是唯一利用图像引导以及程控机器手的立体定向放射外科系统。

the paper introduces the stereotactic radiosurgery equipment x-knife, and the distributed features of the absorbed dose output of x-knife briefly.

简要介绍立体定向放射外科治疗装置x刀，以及x刀的输出剂量分布特点。

treatment of brain metastases using stereotactic radiosurgery alone will to be the mainstay of management for patients with brain metastases. th…

单纯立体定向放疗逐渐成为脑转移瘤治疗的主流，分次立体定向放疗在脑转移瘤治疗中的作用尚未完全明确。

objective to evaluate the role of x-ray stereotactic radiosurgery combined with the conventional external radiotherapy in the treatment of brain malignant glioma(bmg).

目的探讨x线立体定向放射治疗在脑恶性胶质细胞瘤（bmg）治疗中的作用。

treatment of brain metastases using stereotactic radiosurgery alone will to be the mainstay of management for patients with br…

单纯立体定向放疗逐渐成为脑转移瘤治疗的主流，分次立体定向放疗在脑转移瘤治疗中的作用尚未完全明确。