| 重建CT图像靶体积误差对宫颈癌剂量的影响 |
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| 引用本文： | 曾自力,刘兵.重建CT图像靶体积误差对宫颈癌剂量的影响[J].医疗卫生装备,2011,32(3):77-79. |
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| 作者姓名： | 曾自力 刘兵 |
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| 作者单位： | 柳州市柳铁中心医院肿瘤科,广西柳州,545007 |
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| 基金项目： | 广西壮族自治区卫生厅课题 |
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| 摘 要： | 介绍了三维适形放疗患者治疗部位解剖数据的获得;分析了扫描层厚、窗宽、窗位以及勾画靶区医生的影像诊断水平对三维适形放疗计划系统重建CT图像定义体积误差的影响,治疗计划系统重建CT图像靶体积的误差对宫颈癌三维适形放疗剂量分布的影响;提出了减少误差的方法。
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| 关 键 词： | 三维适形放疗 治疗计划系统 三维重建CT图像 窗宽 窗位 |
Target Volume Errors Influence of Reconstruction CT Image on Dose of Cervical Cancer |
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| ZENG Zi-li,LIU Bing.Target Volume Errors Influence of Reconstruction CT Image on Dose of Cervical Cancer[J].Chinese Medical Equipment Journal,2011,32(3):77-79. |
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| Authors: | ZENG Zi-li LIU Bing |
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| Institution: | ZENG Zi-li,LIU Bing(Department of Oncology,Liuzhou Municipal Liutie Central Hospital,Liuzhou 545007,Guangxi,China) |
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| Abstract: | The article described how to obtain treatment position dissection data of patients in three dimensional conformal radiation therapy and analyzed the influence of scanning slice thickness,window width and window level,medical image diagnostic level for drawing in the outline of target area on definition volume error of reconstruction CT image in three dimensional conformal radiotherapy planning system.Moreover,the article analyzed the impact of target volume error of reconstruction CT image on dose distribut... |
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| Keywords: | three dimensional conformal radiation therapy(3DCRT) treatment planning system(TPS) three dimensional reconstruction CT image window width window level |
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