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CC-BY-NC-ND 4.0 · Arquivos Brasileiros de Neurocirurgia: Brazilian Neurosurgery 2018; 37(01): 47-49
DOI: 10.1055/s-0037-1615287
Case Report | Relato de Caso
Thieme Revinter Publicações Ltda Rio de Janeiro, Brazil

Intratumoral Bleeding in a Vestibular Schwannoma

Sangramento intratumoral de um schwannoma vestibular
Emanuelle Rieger Braga
1   Faculdade de Medicina, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
,
Luiza Köhler
1   Faculdade de Medicina, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
,
Marcelo de Cesaro
1   Faculdade de Medicina, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
,
Tasso Barreto
2   Department of Neurosurgery, Hospital da Cidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
,
Richard Giacomelli
2   Department of Neurosurgery, Hospital da Cidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
,
Nério Dutra Azambuja Jr
2   Department of Neurosurgery, Hospital da Cidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
,
Daniel Lima Varela
2   Department of Neurosurgery, Hospital da Cidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
,
Paulo Moacir Mesquita Filho
2   Department of Neurosurgery, Hospital da Cidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
› Author Affiliations
Further Information

Publication History

28 October 2017

22 November 2017

Publication Date:
18 December 2017 (online)

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Abstract

Vestibular schwannomas (VSs) account for ∼ 70% of all tumors of the cerebellopontine angle (CPA). Their clinical presentation is often insidious, with progressive hearing loss and involvement of other cranial nerves. Spontaneous hemorrhage in those tumors is very unusual, and generally presents with acute clinical features such as nausea, vomiting, headache and altered consciousness, usually with marked dysfunction of the cranial nerve involved, and with new deficits of neighboring cranial nerves. Asymptomatic patients are extremely rare. We present a case report of an incidental VS with asymptomatic bleeding, which evolved to death after surgery.

Resumo

Schwannomas vestibulares (SVs) são responsáveis por cerca de 70% de todos os tumores do ângulo pontocerebelar. Sua apresentação costuma ser insidiosa, com perda auditiva progressiva e envolvimento de outros nervos cranianos. Hemorragia espontânea nesses tumores é incomum, e geralmente apresenta-se agudamente, com náusea, vômitos, cefaleia e alterações de consciência, normalmente com disfunção importante dos nervos cranianos envolvidos e com novos déficits dos nervos próximos. Pacientes assintomáticos são extremamente raros. Apresentamos um relato de caso de um SV incidental com sangramento assintomático que evoluiu para o óbito após cirurgia.

Keywords

vestibular schwannoma - vestibular neuroma - intratumoral bleeding - cerebellopontine angle tumors

Palavras-chave

schwannoma vestibular - neuroma vestibular - sangramento intratumoral - tumores do ângulo pontocerebelar
 

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