Post-operative Change of the Lamina and Lumbar Spine with Osteoplastic Laminectomy

Abstract

The purpose of this study is to evaluate radiological changes of lamina and ROM of lumbar spine using Xray, CTscan on 79 patients treated with osteoplastic laminectomy.
Subject included 46 males and 33 females with a mean age of 58.4 years (range: 18∼83 years), mean follow up was 15 months (range: 2∼52 months).
We recognized the hypertrophy of lamina (2.5%), non-union of lamina after osteotomy (9.5%), OA change of facet joint (38%).
However, there were no instability of lumbar spine and re-stenosis of enlar-gedcanal.