A simple dose gradient measurement tool to complement the conformity index.

@article{Paddick2006ASD,
  title={A simple dose gradient measurement tool to complement the conformity index.},
  author={Ian Paddick and Bodo Lippitz},
  journal={Journal of neurosurgery},
  year={2006},
  volume={105 Suppl},
  pages={194-201}
}
A dose gradient index (GI) is proposed that can be used to compare treatment plans of equal conformity. The steep dose gradient outside the radiosurgical target is one of the factors that makes radiosurgery possible. It therefore makes sense to measure this variable and to use it to compare rival plans, explore optimal prescription isodoses, or compare treatment modalities. The GI is defined as the ratio of the volume of half the prescription isodose to the volume of the prescription isodose… CONTINUE READING
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