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59th Annual Meeting of the German Society of Neurosurgery (DGNC)
3rd Joint Meeting with the Italian Neurosurgical Society (SINch)

German Society of Neurosurgery (DGNC)

1 - 4 June 2008, Würzburg

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Petroclival meningiomas: surgical outcome

Postoperatives Outcome petroclivaler Meningeome

Meeting Abstract

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  • corresponding author M. Kirsch - Klinik für Neurochirurgie, Universitätsklinikum Carl Gustav Carus der TU Dresden
  • A. Gräbner - Klinik für Neurochirurgie, Universitätsklinikum Carl Gustav Carus der TU Dresden
  • G. Schackert - Klinik für Neurochirurgie, Universitätsklinikum Carl Gustav Carus der TU Dresden

Deutsche Gesellschaft für Neurochirurgie. Società Italiana di Neurochirurgia. 59. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie e.V. (DGNC), 3. Joint Meeting mit der Italienischen Gesellschaft für Neurochirurgie (SINch). Würzburg, 01.-04.06.2008. Düsseldorf: German Medical Science GMS Publishing House; 2008. DocMO.02.07

The electronic version of this article is the complete one and can be found online at: http://www.egms.de/en/meetings/dgnc2008/08dgnc046.shtml

Published: May 30, 2008

© 2008 Kirsch et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.en). You are free: to Share – to copy, distribute and transmit the work, provided the original author and source are credited.

Outline

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Objective: The purpose of this retrospective study was to analyze the outcome and recurrence of petroclival meningiomas.

Methods: A total of 571 meningiomas were operated upon between Jan.1994 and Dec.2002. Of these, 35 were true petroclival meningiomas that were amendable for follow-up including regular outpatient follow-ups and a questionnaire.

Results: The median age of the 27 women and 8 men was 55.4 years. The patients most commonly presented with headaches, trigeminal neuralgiform pain, dizziness, ataxia, unsteadiness and hearing loss. The most frequent histology subtypes were meningothelial (16) and transitional (9) meningiomas, only one meningioma was atypical WHO°II. Intraoperative radicality was Simpson grade 2 in 14, grade 3 in 6, and grade 4 in 12 of 35 pts. Four pts. underwent two-stage operations. There was no perioperative death. Six patients suffered from CSF-flow and were treated with lumbar drainage or open revision. One post-operative VP-shunt placement, one tracheostomy, one facial nerve reconstruction were necessary. Four patients received radiation therapy of a recurrence/progression that was surgically not treatable. Post-OP morbiditiy improved with regards to hearing loss (13 pre-op, 9 post-op), trigeminal-type pain (14 pre-op vs. 2 post-op), eye movement was altered at least temporarily in 9 pts. post-op compared to 4 pre-op. Facial nerve paresis occurred in 10 pts., most of these resolved within a few months, compared to 3 pre-op patients. Operative radicality depended on location, medial structure involvement and size.

Conclusions: Petroclival meningiomas represent an entity that has a higher than usual treatment-related morbidity than meningiomas in other tumor locations.