Quality assurance for the Leksell gamma unit: considering magnetic resonance image-distortion and delineation failure in the targeting of the internal auditory canal.

@article{Ertl1999QualityAF,
  title={Quality assurance for the Leksell gamma unit: considering magnetic resonance image-distortion and delineation failure in the targeting of the internal auditory canal.},
  author={Adolf Ertl and Walter F Saringer and K. C. Heimberger and Peter Kindl},
  journal={Medical physics},
  year={1999},
  volume={26 2},
  pages={166-70}
}
Our aim in this study was to distinguish quantitatively between the localization accuracy of a commercially available stereotactic fixation device as claimed by the manufacturer and the target accuracy as measured by a user, applying neuroradiologic imaging in Gamma Knife planning and phantom irradiation. Missing the target is the most serious possible failure in Gamma Knife and Linac therapy. To reduce this risk, we developed a quality control algorithm and designed a phantom. To evaluate the… CONTINUE READING

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