方法：回顾分析1992年1月至2004年2月择期行肾下型腹主动脉瘤切除术187例，将其结果与经腔内治疗者作比较。
Methods the data of 187 cases of infra-renal AAA treated by open surgical resection between January 1992 and February 2004 were retrospectively reviewed, and compared to that of endovascular repair.
目的提高上颌骨动脉瘤样骨囊肿切除术的安全性和临床护理质量，减少并发症的发生。
Objective To raising the safety and clinical nursing quality of aneurismal bone cyst excision, and decrease the occurrence of complications.
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