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Cholesterol granuloma of the petrous apex: benefit of computer-aided surgery

Caversaccio, Marco ; Panosetti, Eugène ; Ziglinas, Panagiotis ; Lukes, Anton ; Häusler, Rudolf

In: European Archives of Oto-Rhino-Laryngology, 2009, vol. 266, no. 1, p. 47-50

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    Title
    • Cholesterol granuloma of the petrous apex: benefit of computer-aided surgery
    Author
    • Caversaccio, Marco. Department of Otorhinolaryngology-Head and Neck Surgery, Inselspital University of Bern, Freiburgstrasse, 3010, Bern, Switzerland
    • Panosetti, Eugène. Département d'ORL, Centre hospitalier, Luxembourg, Luxembourg
    • Ziglinas, Panagiotis. Département d'ORL, Centre hospitalier, Luxembourg, Luxembourg
    • Lukes, Anton. Department of Neurosurgery, Inselspital University of Bern, Bern, Switzerland
    • Häusler, Rudolf. Department of Otorhinolaryngology-Head and Neck Surgery, Inselspital University of Bern, Freiburgstrasse, 3010, Bern, Switzerland
    Document Type
    • Postprint
    Language
    • English
    Published in
    • European Archives of Oto-Rhino-Laryngology, 2009, vol. 266, no. 1, p. 47-50. Springer-Verlag
    Other Version
    OAI-PMH Identifier
    • oai:doc.rero.ch:311271
    Summary
    The following is an analysis of the role of computer aided surgery by infralabyrinthine-subcochlear approach to the petrous apex for cholesterol granulomas with hearing preservation. In a retrospective case review from 1996 to 2008 six patients were analysed in our tertiary referral centre, otorhinolaryngology outpatient clinic. Excellent intraoperative localisation of the carotid artery, facial nerve and the entrance into the cholesterol cyst of the bone by means of the navigation system was seen. Additionally, the operation time decreased from an initial 4h down to 2h. The application of computer-aided surgery allows intraoperative monitoring of the position of the tip of the microsurgical instruments in case of a rare disease and in the delicate area of the petrous apex giving a high security level