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为配合腰椎间盘突出显微摘除术,在30条正中矢状断的脊柱标本、5条完整脊柱的X线正、侧位片及部分成人腰柱骨骼上,重点研究了L_(4-5)、L_(5-)S_1椎间盘后缘与椎板间隙的对应关系。L_(4-5)椎间盘后缘在椎板间隙上方的占40％,与椎板间隙上部对应的占50％、正相对者占6.7％,与椎板间隙下部相对者占3.3％。L_(5-)S_1椎间盘后缘在椎板间隙以上者占26.7％,与椎板间隙上部相对者占40％,正相对者占33.3％。故行显微摘除术在相应部位寻找不到突出物时,应向上方探查。对个别与下部相对应的个体,亦应引起注意。
In order to cooperate with lumbar disc herniation microsurgery, in 30 normal sagittal spine specimens, 5 full spine X-ray, lateral radiographs and some adult lumbar and columnar bones, focusing on the L_ (4-5) , L_ (5-) S_1 intervertebral disc edge and the corresponding relationship between the lamina. The posterior edge of L_ (4-5) disc accounted for 40% of the space above the lamina, 50% of the space above the lamina, 6.7% of the positive, and 3.3% of the lamina. The posterior edge of the L_ (5-) S_1 disc was located in the interlaminal space, accounting for 26.7%, with 40% of the upper part of the interlaminal space and 33.3% of the positive. Therefore, the line microscopic excision in the corresponding parts can not find the protrusion should be to the top of exploration. Individuals and individuals corresponding to the lower should also be noted.