闭塞性中耳炎是中耳的进行性弥漫性纤维化,伴有胆固醇肉芽肿,与粘连性中耳炎和鼓室硬化症显然不同。作者介绍1966—1975十年间,所遇12例闭塞性中耳炎的临床病理情况。本病一般开始于儿童期,自幼听力持续减退。早年曾有耳痛和中耳炎发作史,以后转为慢性渗出性中耳炎,无慢性耳溢,就诊时往往已干 Occlusive otitis media is a progressive diffuse fibrosis of the middle ear with cholesterol granuloma, which is clearly different from adhesive otitis media and tympanosclerosis. The author introduced 1966-1975 ten years, encountered 12 cases of otitis media with clinicopathological findings. The disease usually begins in childhood, hearing loss continued to decline. Earlier there was a history of otalgia and otitis media, later converted to chronic exudative otitis media, no chronic auricular, often have been treated