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

将受累节段上关节突内侧皮质增生骨赘除,扩大狭窝。

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

探讨保留腰椎上关节突侧窝狭扩大手术方法疗效。