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Otol Neurotol. 2012 Apr;33(3):466-72. doi: 10.1097/MAO.0b013e318248eaaa.

Surgical management of vestibular schwannomas and hearing rehabilitation in neurofibromatosis type 2.

Author information

1
Department of Otolaryngology, Cambridge University Hospitals NHS Trust, Cambridge, UK.

Abstract

OBJECTIVES:

To report our approach to the surgical management of vestibular schwannomas (VSs) and hearing rehabilitation in neurofibromatosis Type 2 (NF2).

DESIGN:

Retrospective cohort study.

SETTING:

Tertiary referral NF2 unit.

PATIENTS:

Between 1981 and 2011, seventy-five patients were managed in our NF2 unit, of which, 58 patients are under current review.

MAIN OUTCOME MEASURES:

Patients who underwent VS excision were evaluated for tumor size, surgical approach, and outcomes of hearing and facial nerve function. All current patients were evaluated for NF2 mutation, hearing, and auditory implantation outcomes.

RESULTS:

Forty-four patients underwent resection of 50 VS in our unit, of which, 14% had facial neuroma excision and reinnervation during the same operation. At 12 months after surgery, facial nerve outcomes were House-Brackmann (HB) 1 in 33%, HB2 in 21%, and HB3 in 30%. Total VS resection was achieved in 78% of patients using a translabyrinthine approach. Seventy-two percent of the current patients have American Association of Otolaryngology-Head and Neck Surgery class A to C hearing (maximum speech discrimination score over 50%) in the better hearing ear, and a further 14% are full-time users of cochlear implants or auditory brainstem implants. The remaining patients have been assessed for auditory implantation.

CONCLUSION:

By following a policy of treating VS in NF2 patients where tumor growth is observed, complete tumor resection can be achieved through a translabyrinthine approach while achieving comparable facial nerve outcomes to published series. We advocate proactive hearing rehabilitation in all patients with timely assessment for auditory implantation to maintain quality of life.

PMID:
22334163
DOI:
10.1097/MAO.0b013e318248eaaa
[Indexed for MEDLINE]

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