Kokontsev A A
Med Radiol (Mosk). 1988 Sep;33(9):13-6.
The authors present a method for the determination of irradiation field length in the planning of gamma-beam therapy based on the use of decrement lines and decrement surfaces for describing dose distributions. For a case of rotation and static multifield irradiation from open fields when central beam rays lie in the same plane and are crossed at the same point, data of the atlas of dose distributions for single fields were used to make correlation between field length and target sizes in a varied preset degree of dose distribution irregularity in the target volume and under various conditions of irradiation.
作者提出了一种在伽马射线治疗计划中确定照射野长度的方法，该方法基于使用递减线和递减面来描述剂量分布。对于中心束射线位于同一平面且在同一点相交的开放野旋转和静态多野照射情况，利用单野剂量分布图谱的数据，在靶区内不同预设剂量分布不规则程度以及各种照射条件下，建立野长度与靶区大小之间的相关性。
