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Intratemporal facial nerve schwannoma: clinical presentation and management

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Abstract

Facial nerve schwannoma is the most common facial nerve tumor, but its therapeutic strategy remains debated. The aim of this study is to analyze the facial nerve function and the hearing outcomes after surgery or wait-and-scan policy in a facial nerve schwannoma series. A monocentric retrospective review of medical charts of patients followed for an intratemporal facial nerve schwannoma between 1988 and 2013 was performed. Twenty-two patients were included. Data were extracted pertaining to the following variables: patient demographics, tumor localization, clinical and imaging features, facial nerve function and hearing levels, and details of surgical intervention. The majority of tumors were located at the geniculate ganglion. Initial symptoms were mainly facial palsy and hearing loss. The average follow-up was 4.8 ± 4.5 years. Nineteen patients underwent surgery, and three patients were observed. After surgery, 11 patients had a stable or improved facial nerve function (57.9 %), and 8 patients had a worsened facial nerve function (42.1 %). Facial nerve function was in the majority of cases a HB grade III, depending on surgical strategy. No patient presented a postoperative HB grade V or VI. Regarding the hearing, it remained stable after surgery in 52.6 % of cases, and improved in 10.5 % of cases. Among monitored patients, facial nerve function and hearing remained stable. Surgery for facial nerve schwannoma is a safe and effective option in the treatment of these tumors.

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Authors and Affiliations

  1. Department of Otology, Auditory Implants and Skull Base Surgery, AP-HP, Pitié-Salpêtrière Hospital, 50/52 Bd Vincent Auriol, 75013, Paris, France

    Ghizlene Lahlou, Yann Nguyen, Francesca Yoshie Russo, Evelyne Ferrary, Olivier Sterkers & Daniele Bernardeschi

  2. Sorbonne Universités, UPMC University Paris 6, 75005, Paris, France

    Ghizlene Lahlou, Yann Nguyen, Francesca Yoshie Russo, Evelyne Ferrary, Olivier Sterkers & Daniele Bernardeschi

  3. Inserm UMR-S 1159, « Mini-Invasive and Robot-Based Surgical Rehabilitation of Hearing », 75005, Paris, France

    Ghizlene Lahlou, Yann Nguyen, Francesca Yoshie Russo, Evelyne Ferrary, Olivier Sterkers & Daniele Bernardeschi

Authors
  1. Ghizlene Lahlou
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  2. Yann Nguyen
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  3. Francesca Yoshie Russo
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  4. Evelyne Ferrary
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  5. Olivier Sterkers
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  6. Daniele Bernardeschi
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Correspondence to Daniele Bernardeschi.

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Lahlou, G., Nguyen, Y., Russo, F.Y. et al. Intratemporal facial nerve schwannoma: clinical presentation and management. Eur Arch Otorhinolaryngol 273, 3497–3504 (2016). https://doi.org/10.1007/s00405-015-3850-z

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  • DOI: https://doi.org/10.1007/s00405-015-3850-z

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