Ogawa K, Kanzaki J, Ogawa S, Tsuchihashi N, Yamamoto M
Department of Otolaryngology, School of Medicine, Keio University, Tokyo, Japan.
Acta Otolaryngol Suppl. 1991;487:144-9. doi: 10.3109/00016489109130460.
We report on 10 patients with surgically proven acoustic neuroma (AN) who have normal hearing, and their clinical features have been investigated. The results obtained in this study were as follows: The clinical features of AN patients with normal hearing involved 1) predominance in younger adults, 2) predominance in small tumors with short duration after onset, 3) subjective hearing loss accompanied with tinnitus was the most common symptom, and 4) vertigo or dizziness without any cochlear symptoms was also a frequently seen symptom. We conclude that in order not to overlook AN among patients with normal hearing, transorbital X-ray and ABR tests should be performed on these patients for the screening purpose.
我们报告了10例经手术证实患有听神经瘤（AN）但听力正常的患者，并对其临床特征进行了研究。本研究获得的结果如下：听力正常的听神经瘤患者的临床特征包括：1）以年轻成年人为主；2）以发病后病程短的小肿瘤为主；3）伴有耳鸣的主观听力损失是最常见的症状；4）无任何耳蜗症状的眩晕或头晕也是常见症状。我们得出结论，为了不忽视听力正常患者中的听神经瘤，应针对这些患者进行经眶X线检查和听性脑干反应（ABR）测试以进行筛查。
