Surgical treatment of trigeminal neuralgia caused by the cerebellopontine angle tumour
Authors: Ma, Zhaoxin; Li, Ming
Source: The Pain Clinic, Volume 19, Number 1, 2007 , pp. 15-19(5)
Publisher: Maney Publishing
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Abstract:
Objective: To explore the diagnosis and treatment of secondary trigeminal neuralgia with cerebellopontine angle tumour.Methods: Twelve cases of secondary trigeminal neuralgia were treated during 2001-2004, and 7 were analyzed with regard to clinical manifestations, diagnosis and treatment. Twelve patients with trigeminal neuralgia associated with cerebellopontine angle tumour were studied, including 7 patients with epidermoid cysts of cerebellopontine angle and 5 patients with the meningioma of cerebellopontine angle. Pre-operative magnetic resonance imaging (MRI) showed space-occupying at cerebellopontine angle.Results: With cerebellopontine angle tumours removed through the retrosigmoid sinus approach, the secondary trigeminal neuralgia in all patients was completely relieved without surgical complications postoperatively. The follow-up period was 1-3 years. Recurrent trigeminal neuraligia occurred only in one patient at 1.5 years postoperatively (after operation at 1.5 years).Conclusions: MRI has made a significant contribution to the diagnosis of secondary trigeminal neuralgia. Microsurgery through the retrosigmoid sinus approach is the first-line treatment of secondary trigeminal neuralgia caused by cerebellopontine tumours.Keywords: TRIGEMINAL NEURALGIA; EPIDERMOID CYSTS; MENINGIOMA; CEREBELLOPONTINE ANGLE (CPA); MAGNETIC RESONANCE IMAGING (MRI)
Document Type: Research article
DOI: 10.1179/016911107X217455
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