Extended middle fossa approach in treatment of vestibular schwannoma — technique of surgery and postoperative complications
Journal Title: Otolaryngologia Polska - Year 2010, Vol 64, Issue 7
Abstract
SUMMARY Introduction: The main tumor of cerebellopontine angle are vestibular chwannoma (80-90%). According to National Institute of Health Consen-sus Development Conference the best treatment method is microsurgery. There are three principal surgical approaches: translabyrinthin, retrosigmoid and middle fossa. Only the latter two approaches provide the possibility of hearing preservation. Aim: Technique of surgery and postoperative morbidity after MFA. Material and methods: 39 patients (40 tumor) suffered from tumor of cerebellopontine angle, operated by using middle fossa approach in years 1998-2007. We evaluate hearing preservation and function of facial nerve and others postoperative morbidity. Results: 22.5% of patients has hearing impairment and 32.5% has facial weakness. By ndividual cases we observed: CSF leak, meningitis, corneal ulceration, ischialgia, wound bleeding and venue thrombosis. 1/3 of patients suffered from headache and disequilibrium and 1/6 suffered from tinnitus. Conclusion: According to NIH middle fossa approach is one of three pos-sible approaches in microsurgery of cerebellopontine angle tumors. There is possible total tumor removal with hearing preservation. Monitoring of facial and cochlear nerve during operation is recommended. <br/><br/>
Authors and Affiliations
Barbara Jamróz, Kazimierz Niemczyk, Krzysztof Morawski, Robert Bartoszewicz
Keywords
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