de Peretti F, Hovorka I, Ganansia P, Puch J M, Bourgeon A, Argenson C
Service d'Orthopédie Traumatologie, Hôpital St Roch, Nice, France.
Surg Radiol Anat. 1993;15(4):287-94. doi: 10.1007/BF01627880.
Thirteen subjects were randomly selected and embalmed according to Winckler's technique. After removal of the vertebral column and the head in one block the specimens were frozen. Transverse transpedicular cuts were performed at C6, T1, T6, L1, L3, and L5. After enlargement photography, the surface area of the vertebral foramen and its various contents were measured on a computer using the Canvas programme and analysed using the Statview programme. The mean area of the vertebral foramen occupied by the cord was 30.5% at C6, 26.1% at T1, 21.4% at T6, 12.7% at L1, 0.08% at L3. The mean area occupied by the nerve roots was 3.9% at C6, 3.3% at T1, 1.6% at T6, 14.2% at L1, 17.5% at L3, 12.2% at L5. The mean area of all the nervous tissue was 34.4% at C6, 29.5% at T1, 23% at T6, 26.9% at L1, 18.9% at L3, 19.3% at L5. The cerebrospinal fluid occupied a mean area of 25.2% at C6, 30.7% at T1, 31.6% at T6, 43% at L1, 43.5% at L3, and 28.1% at L5. The total neural tissue did not occupy more than a third of the vertebral foramen. These facts should be considered by surgeons who perform laminectomy or decompression in cases of vertebral trauma or congenital and osteoarthritic stenoses.
随机选取13名受试者,按照温克勒技术进行尸体防腐处理。将脊柱和头部整块取下后,对标本进行冷冻。在C6、T1、T6、L1、L3和L5水平进行经椎弓根横切。放大摄影后,使用Canvas程序在计算机上测量椎孔及其各种内容物的表面积,并使用Statview程序进行分析。脊髓占据的椎孔平均面积在C6为30.5%,T1为26.1%,T6为21.4%,L1为12.7%,L3为0.08%。神经根占据的平均面积在C6为3.9%,T1为3.3%,T6为1.6%,L1为14.2%,L3为17.5%,L5为12.2%。所有神经组织的平均面积在C6为34.4%,T1为29.5%,T6为23%,L1为26.9%,L3为18.9%,L5为19.3%。脑脊液占据的平均面积在C6为25.2%,T1为30.7%,T6为31.6%,L1为43%,L3为43.5%,L5为28.1%。总的神经组织占据的椎孔面积不超过三分之一。对于因椎体创伤、先天性和骨关节炎性狭窄而进行椎板切除术或减压术的外科医生,应考虑这些事实。