耳硬化症是原因不明的原发于骨迷路的局灶性病变,在骨迷路包囊内形成一个或数个局限性的富于血管的海绵状新骨,之后新骨在骨化变硬,病灶发生在前庭窗,侵犯镫骨环韧带及镫骨足板,致使镫骨足板固定,其表现是传导性聋;如侵犯蜗管、半规管、前庭,可出现感应神经性聋、耳鸣眩晕等症状。有临床表现者 Otosclerosis is an unidentified focal lesion of primary labyrinthine bone that creates one or more localized spongy, spongy new bones in the bony labyrinthine capsule after which the new bones become ossified, The lesions occur in the vestibular window, encroaching the tarsal ring ligament and the stapes foot plate, resulting in stapes foot plate fixation, its performance is conductive deafness; such as violations of the scrotum, semicircular canal, vestibule, there may be sensorineural deafness, tinnitus and dizziness symptom. There are clinical manifestations