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大孔径螺旋CT在放疗模拟定位中的应用研究 被引量：6

Application of large aperture spiral CT in radiotherapy simulation positioning
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摘要 目的:探讨大孔径16排螺旋CT在放疗模拟定位中的应用。方法:应用大孔径16排螺旋CT进行乳腺癌保乳术后根治性放疗乳腺切线野的CT模拟定位,并对CT模拟定位技术与传统X射线模拟定位技术进行比较,同时与单排螺旋CT的图像进行比较。结果:大孔径16排螺旋CT在放疗模拟定位中的应用避免了因患者体位受限而造成的误差;大孔径16排螺旋CT模拟机的定位验证误差均优于传统X射线模拟机;其图像质量优于单排螺旋CT。结论:大孔径16排螺旋CT模拟定位机的应用,使得放疗定位更加精确,计划和治疗更加准确。 Objective： To discuss application of large aperture 16 row spiral CT in radiotherapy simulation positioning. Methods： To apply CT simulation positioning with large aperture 16 row spiral CT for the breast tangential field by early breast cancer after breast conserving surgery and radical radiotherapy. Compare CT-simulation and X-ray conventional positioning technique and Compare large aperture 16 row spiral CT and single row spiral CT image. Results： The application of large aperture 16 row spiral CT avoided the error because of body limited. Large aperture 16 row spiral CT simulation position validation error is superior to X-ray positioning. Its image quality is better than that of single row spiral CT. Conclusion： The application of large aperture 16 row spiral CT make simulation positioning more accurate, planned and treatment more accurate, it can pr.ovide.guarantee of accurate simulation position!ng !or.accurate. plan and treatment.
作者 李雪南 修霞 李高峰
机构地区 卫生部北京医院放疗科
出处 《中国医学装备》 2013年第10期16-18,共3页 China Medical Equipment
关键词 大孔径16排螺旋CT 模拟定位 放射治疗 Large aperture 16 row spiral CT Simulation positioning IRradiation therapy
分类号 R815 [医药卫生—放射医学]
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参考文献16

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共引文献71

同被引文献52

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引证文献6

二级引证文献27

中国医学装备
2013年 第10期

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