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14.02.2020 | Original Article - Neurosurgery general

Surgical outcomes of anterior cerebellopontine angle meningiomas using the anterior transpetrosal approach compared with the lateral suboccipital approach

verfasst von: Shady A. Hassaan, Ryota Tamura, Yukina Morimoto, Kenzo Kosugi, Mohamed Mahmoud, Ahmed Abokerasha, Abdelhai Moussa, Masahiro Toda, Kazunari Yoshida

Erschienen in: Acta Neurochirurgica | Ausgabe 6/2020

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Abstract

Background

Anterior transpetrosal approach (ATPA) and lateral suboccipital approach (LSO) are the major surgical approaches for cerebellopontine angle (CPA) meningiomas. Particularly, anterior CPA meningiomas are challenging lesions to be treated surgically. To date, only a few studies have directly compared the outcomes of both approaches focusing on the anterior CPA meningiomas.

Methods

For the comparative analysis, anterior CPA meningiomas that were eligible for both APTA and LSO were collected in our hospital from April 2005 to March 2017. Anterior CPA meningiomas targeted for this study were defined as follows: (1) without cavernous sinus, clivus, and middle cranial fossa extension, (2) the posterior edge is 1 cm behind the posterior wall of the internal auditory canal, and (3) the inferior edge is above the jugular tuberculum. Based on these criteria, the operative outcomes of 17 patients and 13 patients who were operated via ATPA and LSO were evaluated.

Results

The complication rate of the LSO group was significantly higher than that of the ATPA group (30.7% vs. 0%, p = 0.033). The removal rate did not differ between the ATPA and LSO groups (97.35% vs. 99.23%, p = 0.12). The operative time was significantly shorter in the LSO group than in the ATPA group (304.3 min vs. 405.8 min, p = 0.036).

Conclusions

Although the LSO is more widely used for CPA meningiomas, ATPA is also considered for these anterior CPA meningiomas.
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Metadaten
Titel
Surgical outcomes of anterior cerebellopontine angle meningiomas using the anterior transpetrosal approach compared with the lateral suboccipital approach
verfasst von
Shady A. Hassaan
Ryota Tamura
Yukina Morimoto
Kenzo Kosugi
Mohamed Mahmoud
Ahmed Abokerasha
Abdelhai Moussa
Masahiro Toda
Kazunari Yoshida
Publikationsdatum
14.02.2020
Verlag
Springer Vienna
Erschienen in
Acta Neurochirurgica / Ausgabe 6/2020
Print ISSN: 0001-6268
Elektronische ISSN: 0942-0940
DOI
https://doi.org/10.1007/s00701-020-04236-6

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