...717±103)cm3大于基于定位CT勾画的(588±90)cm3,差异具有统计学意义(t=13.8,P对剂量-体积(Vx Gy-R)指标中除V5 Gy-R外,V10 Gy-R、V15 Gy-R、V20 Gy-R、V25 Gy-R、V30 Gy-R、V35 Gy-R大于基于定位CT,差异有统计学意义(t=2.3~3.9,P<...
基于4个网页-相关网页
对具有完整剂量体积直方图(DVH)资料的84例进行统计以找出与RILD发生有关的剂量学因素。
Among 84 patients who had full dose-volume histogram (DVH) data, the relation between RILD and dosimetric parameters were analyzed.
目的对人体器官进行模型化描述，以便对医疗照射中肿瘤靶体积和人体紧要器官剂量进行估算。
Objective To describe the models of human organ, which can easier the estimation dosage of the tumor target volume and human body's critical organ in medical treatment irradiation.
结论：照射野方向和照射野的数目对剂量分布有影响，增加照射野的数目可以改善体积较大的病灶的剂量分布。
Conclusions: the beam Angle and the number of beams have influence upon dose distribution, the dose distribution would be improved for large volume target with the increment of beam number.
应用推荐