[Analysis of 48 cases of brain abscess]

To analyze brain abscess for its origins of infection, diagnosis, and methods of treatment, 48 patients with brain abscess were retrospectively reviewed and they were treated with nonoperative way, puncture and aspiration, and resection. The results were that the cure rate was 81.25%, the improvement was 12.5%, and the mortality was 6.25%. The chronic otogenic infection and cryptogenic infection are the main origins of infection of brain abscess. The diagnosis of brain abscess depends on CT and MRI, and methods of its treatment are decided by the condition and speciality of brain abscess.