另外一个问题是，RFA与立体定向放射治疗( stereotactic radiation therapy，SRT)比较是否有优势？同样，由于没有RFA与SRT之间的随机对照研究，要回答这一问题也是很难的。
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目的：研究立体定向放射治疗肺癌中呼吸运动频率与图像扫描时间对靶体积定位成像结果的影响。
Objective: to study the effects of respiratory movement frequency and scanning time on the image results in the treatment of lung cancer by stereotactic radiotherapy.
目的观察立体定向放射治疗脊柱转移瘤的疗效与不良反应。
Objective To evaluate the curative effect and side-effect of stereotactic radiotherapy for spinal metastases.
目的分析三维适形放疗(3dcrt)与立体定向放射外科(SRS)对于不能手术切除或拒绝手术治疗的脑胶质瘤的疗效。
Objective To analyze the result of the 3 dimensional conformal radiation therapy (3dcrt) and the stereotactic radiosurgery (SRS) for the glioma of the brain.
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