1.Resect the interior cotex and osteophys of superior processus,enlarge the stenosis of lateral recessus.

1.将受累节段上关节突内侧皮质隆起与赘除,窄的隐窝。

2.Objective: To study the method and result of enlargement of lumbar lateral recessus stenosis with reserve of superior processus.

2.探讨保留腰椎上关节突侧隐窝窄的手术方法与疗效。