使用非等中心C形臂获得的数字图像在多大程度上可用于妇科近距离放射治疗的治疗计划？
To what extent can digital images obtained with a non-isocentric C-arm be used for brachytherapy treatment planning in gynaecology.
作者信息
Pálvölgyi Jeno
机构信息
A. Petz County Teaching Hospital, Department for Oncoradiology Gyor, Zrinyi street13, H-9002, Pf. 92, Gyor, Hungary.
出版信息
Radiother Oncol. 2003 Apr;67(1):107-12. doi: 10.1016/s0167-8140(03)00027-6.
BACKGROUND AND PURPOSE
The non-isocentric C-arm X-ray fluoroscopy unit is not typically used as a brachytherapy localizer. The main aim of the study is to examine the extent to which the potential of a mobile C-arm unit as a brachytherapy localizer for gynaecological treatments with Fletcher-Suit applicator can be used.
PATIENTS AND METHODS
With a C-arm, located in the brachytherapy treatment room in situ reconstruction images are made, eliminating the transportation of the patient to the X-ray room. The brachytherapy treatment planning is based on the frame grabbed images using variable angle reconstruction.
RESULTS
The method of making a pair of reconstruction images with the C-arm is described. The accuracy of the reconstruction has been examined with phantom studies and therapy plans of Fletcher-Suit applications of different variable angles.
背景与目的
非等中心C型臂X射线荧光透视装置通常不作为近距离放射治疗定位仪使用。本研究的主要目的是检验移动C型臂装置作为使用弗莱彻-休伊特施源器进行妇科治疗的近距离放射治疗定位仪的潜在用途能被利用的程度。
患者与方法
利用置于近距离放射治疗室的C型臂进行原位重建图像，无需将患者转运至X射线室。近距离放射治疗计划基于使用可变角度重建抓取的图像。
结果
描述了用C型臂制作一对重建图像的方法。通过模体研究和不同可变角度的弗莱彻-休伊特施源器应用的治疗计划检验了重建的准确性。
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