Modulated electron radiation therapy using a motorized multi-leaf collimator

电子放射疗法用于治疗浅表肿瘤已有50多年的历史。尽管每个放射治疗中心都配备了产生电子场的线性加速器，但这种治疗方法始终受到与场准直相关的技术困难的阻碍。保形射野成形对于保护正常组织至关重要。我们已经开发了一个电子多叶准直器原型，自动成形的光束，并通过远程控制的图形用户界面生成治疗领域的序列。我们将开发精确的剂量计算算法，这将是一个快速迭代治疗计划系统的一部分。

Electron radiation therapy has been used to treat shallow tumours for more than 50 years. Although every radiation therapy centre is equipped with linear accelerators generating electron fields, this treatment method has always been hampered by technical difficulties related to field collimation. Conformal field shaping is critical to spare normal tissues. We have developed an electron multi-leaf collimator prototype that automatically shapes the beam and generates sequences of therapeutic fields through a remote-control graphical user interface. We will develop precise dose calculation algorithms that will be part of a fast iterative treatment planning system.