明确耳硬化症的的CT表现,评价CT对该病的诊断价值。材料与方法:报告临床确诊的耳硬化症7例,其中4例手术证实,4例中3例为病理证实。结果:7例中1例CT无异常表现;3例CT表现为窗型,见卵圆窗与蹬骨底板增厚,密度增高,1例卵圆窗变窄;窗后型3例,主要表现为耳蜗骨迷路(骨包囊)骨质吸收破坏。结论:CT在耳硬化症病灶的发现和分型方面非常有效,对治疗方案的选择有指导意义。 A clear sclerosis of the CT performance, evaluation of CT diagnosis of the disease value. MATERIALS AND METHODS: Seven cases of clinically diagnosed otosclerosis were reported, of which 4 were confirmed by surgery and 3 were pathologically confirmed in 4 cases. Results: One case of CT showed no abnormality in one case. The CT appearance of three cases was window type. The oval window and tympanic floor were thickened, the density increased, and one case of oval window narrowed. Three cases of window-type were found. Lost for the cochlear bone (bone cysts) bone absorption. Conclusion: CT is very effective in the detection and classification of otosclerosis lesions, which is instructive for the selection of treatment options.