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Schwannoma vestibular

Última revisão das evidências: 13 Feb 2026
Última atualização do tópico: 15 Sep 2023

Resumo

Definição

História e exame físico

Principais fatores diagnósticos

  • perda auditiva assimétrica
  • episódios progressivos de tontura
  • zumbido
Detalhes completos

Outros fatores diagnósticos

  • dificuldade em localizar sons
  • cefaleia
  • dormência facial
  • fraqueza facial
  • diplopia no olhar lateral
  • nistagmo
  • perda de equilíbrio e dificuldades de coordenação
  • piscar mais lento
  • dificuldades de deglutição
  • distúrbios da marcha
  • hidrocefalia
  • papiledema
  • pressão intracraniana elevada
Detalhes completos

Fatores de risco

  • schwannomatose relacionada a neurofibromatose
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • audiograma
  • RNM ponderada em T1 usando contraste à base de gadolínio
  • TC de crânio com contraste
Detalhes completos

Investigações a serem consideradas

  • reflexos auditivos do tronco encefálico
Detalhes completos

Algoritmo de tratamento

CONTÍNUA

tumor pequeno (graus 1-2 de Koos)

tumor médio (graus 3-4 de Koos, tamanho do tumor <3 cm)

tumor grande (graus 4 de Koos, tamanho do tumor >3 cm)

Colaboradores

Autores

Michael J. Link, MD

Professor

Departments of Neurologic Surgery and Otorhinolaryngology

Mayo Clinic

Rochester

MN

Disclosures

MJL is an author of a reference cited in this topic.

Matthew L. Carlson, MD

Professor

Departments of Neurologic Surgery and Otorhinolaryngology

Mayo Clinic

Rochester

MN

Disclosures

MLC is an author of a reference cited in this topic.

Acknowledgements

Dr Michael J. Link and Dr Matthew L. Carlson would like to gratefully acknowledge Dr Ryojo Akagami, the previous contributor to this topic.

Disclosures

RA has been reimbursed for instructing at a dissection course by Stryker and gives yearly lectures at a Canadian resident review course. RA was an expert panellist at a session on vestibular schwannomas at the 2019 NASBS meeting.

Peer reviewers

Rick Friedman, MD, PhD

Professor of Otolaryngology and Neurosurgery

UC San Diego

La Jolla

CA

Disclosures

RF declares that he has no competing interests.

Iain Swan, MD, FRCS

Senior Lecturer in Otolaryngology

Honorary Consultant Otolaryngologist

Glasgow Royal Infirmary

Glasgow

UK

Disclosures

IS declares that he has no competing interests.

Patrice Tran Ba Huy, MD

Department of Otorhinolaryngology-Head and Neck Surgery

AP-HP

Hopital Lariboisiere

Service ORL

Universite Paris 7

Paris and Laboratoire des Réseaux Sensorimoteurs

Paris

France

Disclosures

PTBH declares that he has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

Goldbrunner R, Weller M, Regis J, et al. EANO guideline on the diagnosis and treatment of vestibular schwannoma. Neuro Oncol. 2020 Jan 11;22(1):31-45.Full text  Abstract

Ren Y, Chari DA, Vasilijic S, et al. New developments in neurofibromatosis type 2 and vestibular schwannoma. Neurooncol Adv. 2021 Jan-Dec;3(1):vdaa153.Full text  Abstract

Lin VY, Stewart C, Grebenyuk J, et al. Unilateral acoustic neuromas: long-term hearing results in patients managed with fractionated stereotactic radiotherapy, hearing preservation surgery, and expectantly. Laryngoscope. 2005 Feb;115(2):292-6. Abstract

Pollock BE. Management of vestibular schwannomas that enlarge after stereotactic radiosurgery: treatment recommendations based on a 15 year experience. Neurosurgery. 2006 Feb;58(2):241-8. Abstract

Darrouzet V, Martel J, Enee V, et al. Vestibular schwannoma surgery outcomes: our multidisciplinary experience in 400 cases over 17 years. Laryngoscope. 2004 Apr;114(4):681-8. Abstract

Roland JT Jr, Fishman AJ, Golfinos JG, et al. Cranial nerve preservation in surgery for large acoustic neuromas. Skull Base. 2004 May;14(2):85-91.Full text  Abstract

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
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