将 1 98 9年 3月～ 1 999年 3月间 36例中耳乳突根治术后不干耳病例进行再根治术 46例次的资料进行回顾总结 ,分析失败原因。36例中 ,男女各 1 8例 ,共 46耳 ,年龄 1 1～ 5 8岁。不干耳时间最长 2 3年 ,最短术后 2周 (2例面瘫 )。首次根治术时 2 3例使用电钻。其中一次再根治 2 The data of 46 cases of re-radical mastectomy of 36 cases of middle ear mastoid process after radical mastoidectomy from March 1989 to March 1999 were retrospectively reviewed, and the reasons for the failure were analyzed. Of the 36 patients, 18 were male and female, with a total of 46 ears, ranging in age from 1 to 58 years. Not to mention ear time up to 23 years, the shortest postoperative 2 weeks (2 cases of facial paralysis). The first radical operation 23 cases using electric drill. One of them will be cured again