发育性颈椎椎管狭窄症

The developmental stenosis of cervical spinal canal

中文关键词:  椎管,发育性狭窄,颈脊髓病,椎管成形术

英文关键词:Spinal canal,Developmental stenosis,Cervical myelopathy,En bloc laminoplasty

中文摘要:

  测量５０例颈椎骨干标本，确定男１１ｍｍ，女１０ｍｍ以下为狭窄椎管。１０具成人固定标本观察在最大伸、屈位时，脊髓变短，硬膜褶皱，间盘黄韧带截面矢径变小。统计病人１３例，占同期颈椎病性脊髓病的１８．６％；年龄超过５０岁者１０例，９例病程超过半年。首发症状为进行性下肢麻木无力，颈、胸平面以下不同程度痛觉减退，锥体束征阳性。Ｘ线平片测量、脊髓造影、ＣＴ或ＣＴＭ皆示椎管发育性狭窄。行椎板切除１例，后路椎板扩大成形１２例，除椎板切除１例远期效果欠佳外，余皆有明显改进。作者提出了本症的特征及诊断条件，认为确诊后以单开门椎管扩大成形、棘突骨支撑植骨术为佳。

英文摘要:

  Thirteen cases of developmetal stenosis of cervical spinal canal (DSCSC). about 18. 6 % of the observed cervical spondylotic myelopathy, were analyzed. 77% were over 50 years old and in 69% their symptoms had been appeared over 6 months before their admis