颞骨骨瘤好发于乳突骨皮质和外耳道 ,也可发生于乳突气房 .中耳和内听道 ,常表现为孤立性肿块 ,组织学上表现为骨组织中贯穿着纤维血管成分。骨瘤表现为局部损害 ,内听道其余部分正常 ,这一特点不适于耳硬化症 .佩吉特氏病等 ,后者骨损害较广 ,因而摄片检查很重要 ,要详细检查 Temporal osteal osteoma is mainly found in the cortical bone and external auditory canal of the mastoid. It can also occur in the mastoid atrium, middle ear and internal auditory canal, often presenting as a solitary tumor. Histologically, the fibrous tissue runs through the fibrous tissue. Osseous tumors showed partial damage, the rest of the internal auditory canal normal, this feature is not suitable for otosclerosis. Paget’s disease, etc., the latter a more extensive bone damage, and thus radiography is very important to be examined in detail