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Determination of ventricular volume following metrizamide CT ventriculography

  • Neuroradiology of Vascular and Atrophic Lesions in the Geriatric Age
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Summary

Volume averaging, relatively slight differences in the mean attenuation coefficients of CSF and white/grey matter, and the irregular contours of the human ventricular system have so far seriously limited the accuracy of CT estimation of ventricular volume. Taking advantage of the high attenuation of metrizamide-containing CSF, we have developed three methods for computing ventricular volume after metrizamide CT ventriculography; these methods depend upon computer analysis of X-ray absorption data obtained from contiguous CT brain slices. All three methods were validated by CT scanning a formalin-fixed cadaver brain containing an epoxy-resin cast of the ventricular system. Calculated ventricular volumes were compared with the actual measured volume of the ventricular cast.

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Authors and Affiliations

  1. Memorial Sloan-Kettering Cancer Center, New York, New York, USA

    D. A. Rottenberg, K. S. Pentlow, M. D. F. Deck & J. C. Allen

  2. Cornell University Medical College, New York, New York, USA

    D. A. Rottenberg, K. S. Pentlow, M. D. F. Deck & J. C. Allen

  3. Department of Neurology, Memorial Hospital, 1275 York Avenue, 10021, New York, NY, USA

    D. A. Rottenberg

Authors
  1. D. A. Rottenberg
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  2. K. S. Pentlow
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  3. M. D. F. Deck
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  4. J. C. Allen
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Rottenberg, D.A., Pentlow, K.S., Deck, M.D.F. et al. Determination of ventricular volume following metrizamide CT ventriculography. Neuroradiology 16, 136–139 (1978). https://doi.org/10.1007/BF00395228

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  • DOI: https://doi.org/10.1007/BF00395228

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