Magnetic resonance imaging in sudden deafness

Revista Brasileira de Otorrinolaringologia

Barros, Flávia Alencar¹  Penido, Norma de Oliveira¹  Yamaoka, Wellington Yugo¹  Souza, Ana Cláudia Valério de¹  Ramos, Hugo Valter Lisboa¹  Yamashita, Hélio¹  Universidade Federal de São Paulo¹ 

关键词: sudden deafness;    magnetic resonance imaging;    Ménière's disease;    vestibular schwannoma.;   

DOI  :  10.1590/S0034-72992005000400004

学科分类：医学（综合）

来源: Associacao Brasileira de Otorrinolaringologia e Cirurgia Cervicofacial

【 摘 要 】

The etiology of sudden deafness can remain undetermined despite extensive investigation. This study addresses the value of magnetic resonance imaging in the analysis of sudden deafness patients. STUDY DESIGN: transversal cohort. MATERIAL AND METHOD: In a prospective study, 49 patients attended at otolaryngology emergency room of Federal University of Sao Paulo - Escola Paulista de Medicina, from April 2001 to May 2003, were submitted to magnetic resonance imaging. RESULTS:Magnetic Resonance abnormalities were seen in 23 (46.9%) patients and revealed two tumors suggestive of meningioma, three vestibular schwannomas, thirteen microangiopathic changes of the brain and five (21.7%) pathological conditions of the labyrinth. CONCLUSION: Sudden deafness should be approached as a symptom common to different diseases. The presence of cerebellopontine angle tumors in 10.2% of our cases, among other treatable causes, justifies the recommendation of gadolinium-enhanced magnetic resonance use, not only to study the auditory peripheral pathway, but to study the whole auditory pathway including the brain.

【 授权许可】

Unknown