Geometrical accuracy of a 3-tesla magnetic resonance imaging unit in Gamma Knife surgery.

@article{Watanabe2006GeometricalAO,
  title={Geometrical accuracy of a 3-tesla magnetic resonance imaging unit in Gamma Knife surgery.},
  author={Yoichi Watanabe and Chung K Lee and Bruce J. Gerbi},
  journal={Journal of neurosurgery},
  year={2006},
  volume={105 Suppl},
  pages={
          190-3
        }
}
OBJECT The authors sought to evaluate and improve the geometrical accuracy of a 3-tesla magnetic resonance (MR) imaging unit used for Gamma Knife surgery (GKS). METHODS To evaluate the geometrical accuracy of a Siemens Magnetom Trio 3-tesla MR imaging unit, two phantoms were used. Both phantoms were imaged with computed tomography (CT), a 1.5-tesla MR imaging unit (Siemens Avanto), and the 3-tesla MR imaging unit. A pair of orthogonal films was obtained with a radiotherapy simulator to… CONTINUE READING

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