CAJ | 학술논문

目前三维适形放疗和调强放疗技术迅速发展,对放疗时治疗体位的固定性和重复性要求更加精确,利用锥形束CT(CBCT)来验证并校正摆位误差非常方便有效.CBCT是图像引导放疗(IGRT)的一种方式,可直接安装到直线加速器上,在减少摆位误差方面具有重要的作用和广阔的应用前景.
목전삼유괄형방료화조강방료기술신속발전,대방료시치료체위적고정성화중복성요구경가정학,이용추형속CT(CBCT)래험증병교정파위오차비상방편유효.CBCT시도상인도방료(IGRT)적일충방식,가직접안장도직선가속기상,재감소파위오차방면구유중요적작용화엄활적응용전경.
With rapid developmerit of technology of three dimensional conformal radiotherapy(3DCRT)and intensity-modulated radiotherapy(IMRT),the immobilization and repetition of patients'treatment position need is more accurate.The setup errors of thoracic cancer patients are great because of the breathing motion of lungs.The method of utilizing CBCT(cone beam computered tomography)to verify and correct setup errors is convenient and effective.CBCT,as one way of imaging guided radiation therapy(IGRT),is directly fixed on linear accelerator,has an important role and broad application prospects in reduction of setup error.