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A critical evaluation of two methods of head fixation

Neuroradiology volume 19, pages 7–12 (1980)Cite this article

Summary

Two head-fixation systems, one using Thermoplast and the other Lightcast were tested as to reproducibility by comparing stereotactic coordinates before and after CT scan and after removal and reapplication of the helmets. Helmets constructed of Lightcast were more consistently stable than those constructed of Thermoplast probably due in part to the dental fixation used with the former. With Lightcast the change in position of coordinates was consistently less than 3 mm, i.e. 2 pixels, which is within the tolerance of the system as a whole.

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Authors and Affiliations

  1. Department of Neuroradiology, Karolinska Sjukhuset, Stockholm, Sweden

    D. P. E. Kingsley, M. Bergström & B. -M. Berggren

  2. Department of Radiology, The London Hospital, Whitechapel, E1 1BB, London, UK

    D. P. E. Kingsley

Authors
  1. D. P. E. Kingsley
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  2. M. Bergström
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  3. B. -M. Berggren
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Kingsley, D.P.E., Bergström, M. & Berggren, B.M. A critical evaluation of two methods of head fixation. Neuroradiology 19, 7–12 (1980). https://doi.org/10.1007/BF00369081

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  • DOI: https://doi.org/10.1007/BF00369081

Key words

  • Computed tomography
  • Stereotactic techniques