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Central airway stenoses: preliminary results of spiral-CT-generated virtual bronchoscopy simulations in 29 patients

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Abstract.

The purpose of this study was to determine the feasibility of using virtual bronchoscopy simulations to depict stenoses of the tracheobronchial tree. Virtual bronchoscopy simulations, based on ray casting, were applied to spiral-CT data sets of 29 patients presenting 41 stenoses of the central airways, proved with fiberoptic bronchoscopy. Simulations of the inner walls of the airways were of good quality in 27 of 29 patients. Airway stenoses were depicted in 39 of 41 cases. Evaluation of the length of stenoses and surrounding tissues required simultaneous display of multiplanar reformations. Virtual bronchoscopy provides a valuable road map for bronchoscopy, in an image format familiar to bronchoscopists.

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Authors and Affiliations

  1. Department of Radiology, Ho^pital Michallon, CHU Grenoble BP 217, F-38 043 Grenoble Cedex 09, France, FR

    G. R. Ferretti & M. Coulomb

  2. GE Medical Systems, 283 rue de la Minie`re, BP 34 F-78 533 BUC Cedex, France, FR

    J. Knoplioch

  3. TIMC-IMAG-UJF, URA CNRS D 1618, Institut Albert Bonniot, Domaine de la Merci, F-38 700 La Tronche, France, FR

    I. Bricault

  4. Department of Respiratory Disease CHU Grenoble BP 217, F-38 043 Grenoble Cedex 09, France, FR

    C. Brambilla

Authors
  1. G. R. Ferretti
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  2. J. Knoplioch
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  3. I. Bricault
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  4. C. Brambilla
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  5. M. Coulomb
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Additional information

Received 31 May 1996; Revision received 23 September 1996; Accepted 5 November 1996

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Ferretti, G., Knoplioch, J., Bricault, I. et al. Central airway stenoses: preliminary results of spiral-CT-generated virtual bronchoscopy simulations in 29 patients. Eur Radiol 7, 854–859 (1997). https://doi.org/10.1007/s003300050218

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  • DOI: https://doi.org/10.1007/s003300050218

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