Functional preservation in surgery for deep-seated meningiomas

Mitsuhiro Hasegawa, Takuro Hayashi, Shinya Nagahisa, Kazuhide Adachi, Shigeta Moriya, Tsukasa Ganaha, Joji Inamasu, Motoharu Hayakawa, Yuichi Hirose

Research output: Contribution to journalArticle

Abstract

The functional prognosis for deep-seated meningiomas is mostly dictated by the approach chosen and the dissection technique employed to remove tumor tissue from deep veins, cranial nerves and the brainstem. Accordingly, in this study among a consecutive 293 meningioma operations, the incidence, location, preservation rate of cranial nerve function, and the most appropriate approach selection for deep-seated meningiomas were retrospectively analyzed. The rate of vision improvement was 89% in 36 cases with visual dysfunction, the olfaction preservation was 93% in 30 cases operated via a basal interhemispheric approach, and hearing rate improvement was 44% in 9 cases with hearing disturbances. In order to determine the most appropriate approach to gain direct observation and secure dissection, detailed neuro-imagings including 320-row area detector CT, preoperative embolization of feeders from the internal carotid artery, and a thorough understandings of the biological behavior and pathology of the tumor-brain interface are important. Finally, after due delligence, it may become apparent that a multi-staged operation and/or Simpson Grade IV surgery might be a good alternative choice.

Original languageEnglish
Pages (from-to)29-36
Number of pages8
JournalJapanese Journal of Neurosurgery
Volume23
Issue number1
DOIs
Publication statusPublished - 01-01-2014

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Meningioma
Cranial Nerves
Hearing
Dissection
Smell
Internal Carotid Artery
Brain Neoplasms
Brain Stem
Veins
Observation
Pathology
Incidence
Neoplasms

All Science Journal Classification (ASJC) codes

  • Surgery
  • Clinical Neurology

Cite this

Hasegawa, M., Hayashi, T., Nagahisa, S., Adachi, K., Moriya, S., Ganaha, T., ... Hirose, Y. (2014). Functional preservation in surgery for deep-seated meningiomas. Japanese Journal of Neurosurgery, 23(1), 29-36. https://doi.org/10.7887/jcns.23.29
Hasegawa, Mitsuhiro ; Hayashi, Takuro ; Nagahisa, Shinya ; Adachi, Kazuhide ; Moriya, Shigeta ; Ganaha, Tsukasa ; Inamasu, Joji ; Hayakawa, Motoharu ; Hirose, Yuichi. / Functional preservation in surgery for deep-seated meningiomas. In: Japanese Journal of Neurosurgery. 2014 ; Vol. 23, No. 1. pp. 29-36.
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Hasegawa, M, Hayashi, T, Nagahisa, S, Adachi, K, Moriya, S, Ganaha, T, Inamasu, J, Hayakawa, M & Hirose, Y 2014, 'Functional preservation in surgery for deep-seated meningiomas', Japanese Journal of Neurosurgery, vol. 23, no. 1, pp. 29-36. https://doi.org/10.7887/jcns.23.29

Functional preservation in surgery for deep-seated meningiomas. / Hasegawa, Mitsuhiro; Hayashi, Takuro; Nagahisa, Shinya; Adachi, Kazuhide; Moriya, Shigeta; Ganaha, Tsukasa; Inamasu, Joji; Hayakawa, Motoharu; Hirose, Yuichi.

In: Japanese Journal of Neurosurgery, Vol. 23, No. 1, 01.01.2014, p. 29-36.

Research output: Contribution to journalArticle

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Hasegawa M, Hayashi T, Nagahisa S, Adachi K, Moriya S, Ganaha T et al. Functional preservation in surgery for deep-seated meningiomas. Japanese Journal of Neurosurgery. 2014 Jan 1;23(1):29-36. https://doi.org/10.7887/jcns.23.29