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CT in evaluation of the circle of Willis

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Summary

The method of visualizing the circle of Willis intentionally on contrast-enhanced CT scan was studied. The incidence of circle of Willis in our series was 86%. Only mild side effects were observed, in 7.5% of cases. CT of 60 proven cerebral aneurysms were reviewed and aneurysm was detected in 57%. This method has the potential to be a noninvasive screening procedure for evaluation of suspected cerebral aneurysm, as well as evaluation of marked arteriosclerosis, occlusion of major arteries, and mass effect of parasellar tumors.

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Authors and Affiliations

  1. Department of Neurosurgery and Radiology, Fujita-Gakuen University School of Medicine, Toyoake, Aichi, Japan

    K. Katada, T. Kanno, H. Sano, T. Shibata, T. Toda & S. Koga

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  1. K. Katada
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  2. T. Kanno
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  3. H. Sano
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  4. T. Shibata
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  5. T. Toda
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  6. S. Koga
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Katada, K., Kanno, T., Sano, H. et al. CT in evaluation of the circle of Willis. Neuroradiology 16, 337–339 (1978). https://doi.org/10.1007/BF00395295

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  • DOI: https://doi.org/10.1007/BF00395295

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