This comparison showed that the accuracy of brachytherapy dose delivery has come up to the standard of ICRU 24# report.

• 用空气比释动能率K?校准源强好于用显活度App校准源强。 我院近距离治疗机的所有物理照射剂量的平均准确性符合ICRU24号报告提出的好于±5%25的标准。