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耳硬化症是原发于骨迷路包囊的硒限性病变。病灶可以是单独的,亦可呈多中心分布,两者各占一半。孤立发生于锤、砧骨者,国内文献尚未见记载。我院遇见1例,报告如下。 患者,男,55岁。因右耳进行性听力减退5年,伴间歇性高音调耳鸣,于1985年12月就诊。无耳漏、头部外伤及家族耳聋史。体检见鼓膜正常;电测听示右耳气导语频平均损失77dB,气骨导差距为77dB左耳正常。声阻抗右耳声顺值为0.39ml,镫骨肌声
Ear sclerosis is a selenium-limiting lesion of primary labyrinthine cysts. The lesions can be single or multicentered, with each taking up half the other. Isolated in the hammer, anvil who, the domestic literature has not been documented. I met 1 hospital, the report is as follows. Patient, male, 55 years old. Due to the right ear progressive hearing loss for 5 years, with intermittent high pitched tinnitus, in December 1985 treatment. No otorrhea, head trauma and family history of deafness. Physical examination showed normal tympanic membrane; electrical measurements showed an average loss of speech on the right ear airway 77dB, air-conduction gap was 77dB left ear normal. Acoustic impedance right ear sound compliance is 0.39ml, stapes muscle sound