Leaf-sequencing for intensity-modulated arc therapy using graph algorithms.

  title={Leaf-sequencing for intensity-modulated arc therapy using graph algorithms.},
  author={Shuang Luan and Chao Wang and Daliang Cao and Danny Ziyi Chen and David M. Shepard and Cedric X. Yu},
  journal={Medical physics},
  volume={35 1},
Intensity-modulated arc therapy (IMAT) is a rotational IMRT technique. It uses a set of overlapping or nonoverlapping arcs to create a prescribed dose distribution. Despite its numerous advantages, IMAT has not gained widespread clinical applications. This is mainly due to the lack of an effective IMAT leaf-sequencing algorithm that can convert the optimized intensity patterns for all beam directions into IMAT treatment arcs. To address this problem, we have developed an IMAT leaf-sequencing… CONTINUE READING

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