结论：胸椎椎板倾斜角和黄韧带所受张力可能是胸椎黄韧带骨化多发于下胸段的解剖学和力学因素之一。
Conclusions: thoracic LSA and tension acting on ligamentum flavum may be the anatomical and biomechanical factors for the predilection on lower thoracic spine of TOLF.
方法回顾性分析了12例外伤性张力性气颅的临床特点、影像学特征、手术处理方法以及预后。
Method The retrospective analysis of the 12 patients with tension pneumocephalus who underwent surgical management was performed.
结论：腹腔镜疝修补术与开放式无张力疝修补手术时间、住院时间和术后复发两组无统计学差异。
Conclusions: The operation time, hospitalization time and postoperative recurrence rate are no statistically difference between laparoscopic and tension-free hernia repair.
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