1991 年 39 巻 4 号 p. 1533-1536
24 patients operated by partial laminectomy and 22 patients operated by wide laminectomy, with out fusion, were compared. There were no difference between partial laminectomy and wide laminectomy about subjective symptom, ADL, return to the work and satisfaction. But in wide laminectomy, instability after operation increased as time goes on and as degrees of lumbago.