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耳硬化症为内耳骨迷路的局限性骨质自行吸收而代之以海绵状新骨灶增生,此后再逐渐骨化变硬,故习称为耳硬化症(otosclerosis).其特点多为双侧性进行性传导性耳聋.1724年Valsalva氏首先发现一耳聋患者有蹬骨固定现象.1857年Toynbee氏对本病进行了较完整的描述.1883年Bezold氏又以显微镜下证实有镫骨固定的病理变化.1894年Politzer氏报告本病为内耳骨迷路的原发性病变,并正式命名为耳硬化症.
Otosclerosis is caused by the spontaneous absorption of localized bone within the lumbar spine, and spontaneous new bone lesions proliferate, and then gradually ossification becomes harder, so it is called otosclerosis. Sexual Conductive Deafness. Valsalva first found in 1724 in patients with deafness have a fixed tendon bone .Toveynbee's 1857 to a more complete description of the disease.In 1883, Bezold again confirmed by microscopic tarsal fixation Pathological changes in 1894 Politzer's report of the disease is the primary lesion of the inner ear bones and was officially named otosclerosis.