中文摘要：

目的：对解放军总医院2000年以来确诊老年人的腺样囊性癌的发病情况及构成特点进行分析。方法：对2000年1月至2015年10月在解放军总医院口腔科诊治,经病理科确诊的294例老年人腺样囊性癌患者的临床资料进行回顾性分析。结果：老年人腺样囊性癌患者的总数呈增长的趋势,且60-74岁的老年人多发,男女之比1.15∶1,且在所有腺样囊性癌的患者中所占的比率都有所上升。结论：老年人腺样囊性癌的构成现状有明显的改变,需引起重视。

英文摘要：

Objective： To analyze the incidence and composition characteristics of adenoid cystic carcinoma of elderly patients in PLA General Hospital since 2000. Methods： From January, 2000 to October, 2015, a total of 294 elderly patients with adenoid cystic carcinoma were evaluated. Result： The total number of elderly patients with adenoid cystic carcinoma showed an increasing trend, and the ration of male to female was 1.15 ∶1. Moreover, the proportion of all patients with adenoid cystic carcinoma was increased. Conclusion： The proportion of adenoid cystic carcinoma in elderly patients was changed greatly,which should attract the enough attention of the surgeons.