METHODS: The stereotactic radiotherapy treatment planning system (SRT TPS), target simulator and head frame were used to check the errors of target localization during each radiation procedure.

方法：使用立体定向治疗计划系统、靶点模拟器、头部定位框架检查各个治疗阶段靶区定位的误差。

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Methods A self-made stereotactic head frame ruler was used in the localization in operations of 29 cases of Parkinson's disease and 1 case of intractable cancer pain.

方法在2 9例帕金森氏病、1例顽固性癌痛立体定向手术中应用自行设计制造的立体定向头架简易安装标尺进行定位。

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