(一) 影像导航系统(IGRT) 借由加速器上新增的X 光(On-Board Imager；OBI)及电脑断层扫瞄器(Cone Beam CT)配合同步的电子数位 化影像撷取系统，可在病人接受放射线治疗前，先确认病人的治疗姿 势及肿瘤位置在正确的治疗区域后，再投予精...
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Cone-beam CT 锥形束CT ; 锥束ct
Cone beam CT CBCT 锥形束CT
Spiral cone-beam CT 螺旋锥束CT
Circular orbit cone beam CT 圆轨迹锥束CT
d cone beam ct 三维锥束ct
3D cone-beam CT 三维锥束CT
3D-cone beam CT 三维锥形束CT
Conclusion the cone beam ct and on-line correction could reduce the setup error.
结论锥束CT扫描在线校正能够缩小摆位误差。
These design processes ensure the optimal performance of the cone beam CT scanner.
这些设计过程保证了锥束ct的优化性能。
Result: Images based on cone beam CT can clearly display the spatial relationship between root and maxillary sinus as well as inferior alveolar nerve canal.
结果：锥型线束CT可清楚显示牙根与下牙槽神经管及上颌窦之间的解剖关系。
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