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发生于颞骨的骨瘤较额、筛窦为少见,本文报告28例(男17、女11)颞骨骨瘤,其中24例入院时年龄在40岁以下,故多系青年期发病,12例在症状出现前很久曾有头部外伤史。颞骨骨瘤绝大多数由外耳道后壁长出,本文18例发生于耳道后骨壁,4例位于耳道前壁,1例位于上壁,5例累及乳突。X线片及手术所见均证实乳突内骨瘤与耳后壁骨瘤密切相关。外耳道骨瘤可分为外生性(向耳道方向)和内生性(向乳突方向)两种生长方式,外耳道骨瘤和乳突骨瘤的区别,仅
Occurred in the zygomatic osteoma of the amount of ethmoid sinuses is rare, this report 28 cases (17 males and 11 females) zygomatic osteoma of the humerus, of which 24 cases were admitted to hospital at the age of 40 years of age, it is mostly adolescent onset, 12 cases in There was a history of head injury long before symptoms appeared. The vast majority of tibial osteomas grow from the posterior wall of the external auditory canal. Eighteen of these cases occurred in the posterior wall of the ear canal, 4 in the anterior wall of the ear canal, 1 in the upper wall, and 5 in the mastoid process. X-ray and surgical findings confirmed that intra-papillary osteoma is closely related to posterior wall osteoma. Osteosarcoma of the external auditory canal can be divided into two ways of growth: exogenous (to the ear canal) and endogenous (to the mastoid) direction, the difference between the external auditory canal osteoma and the papillary osteoma, only