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Type: Artigo de periódico
Title: Acoustic Neuroma (vestibular Schwannoma): Surgical Results On 240 Patients Operated On Dorsal Decubitus Position.
Author: Cardoso, Arquimedes Cavalcante
Fernandes, Yvens B
Ramina, Ricardo
Borges, Guilherme
Abstract: To evaluate the result of the surgical treatment of vestibular schwannoma (VS) operated in dorsal decubitus (mastoid position). 240 patients with a VS underwent a retrosigmoid craniotomy for tumor resection in dorsal decubitus (mastoid position). The function of 7th and 8th cranial nerves was monitored during surgery and the opened internal auditory canal (IAC) was reconstructed using a vascularized dura flap, muscle and fibrin glue. Complete tumor removal was achieved in 99% of the cases, with a mortality of 1.6%. The facial nerve function was preserved in 85% of cases and hearing in 40% of the patients (with preoperative hearing) with tumors of up 1.5 cm in diameter. The incidence of cerebrospinal fluid leak was 5.8% and meningitis 2.9%. Venous air embolism was registered in 3% of cases; it was not associated to mortality. Surgical removal of VS in dorsal position has several advantages; the morbidity and mortality are very low.
Subject: Cranial Nerve Neoplasms
Dura Mater
Fibrin Tissue Adhesive
Neuroma, Acoustic
Supine Position
Surgical Flaps
Tissue Adhesives
Treatment Outcome
Vestibulocochlear Nerve
Vestibulocochlear Nerve Diseases
Citation: Arquivos De Neuro-psiquiatria. v. 65, n. 3A, p. 605-9, 2007-Sep.
Rights: aberto
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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