陈士文, 俞鹏, 刘宏升, 陶恒, 赵永政. 寰椎后弓的应用解剖学研究[J]. 蚌埠医学院学报, 2013, 37(7): 787-789.
    引用本文: 陈士文, 俞鹏, 刘宏升, 陶恒, 赵永政. 寰椎后弓的应用解剖学研究[J]. 蚌埠医学院学报, 2013, 37(7): 787-789.
    CHEN Shi-wen, YU Peng, LIU Hong-sheng, TAO Heng, ZHAO Yong-zheng. Applied anatomy of posterior arch of the atlas[J]. Journal of Bengbu Medical College, 2013, 37(7): 787-789.
    Citation: CHEN Shi-wen, YU Peng, LIU Hong-sheng, TAO Heng, ZHAO Yong-zheng. Applied anatomy of posterior arch of the atlas[J]. Journal of Bengbu Medical College, 2013, 37(7): 787-789.

    寰椎后弓的应用解剖学研究

    Applied anatomy of posterior arch of the atlas

    • 摘要: 目的:观测成人寰椎后弓的解剖学特征,为临床上寰椎后弓手术提供参考。方法:利用80例成人的寰椎干骨标本,分别对寰椎后弓的骨性结构及椎动脉沟进行解剖学观测。结果:寰椎后弓内侧半距、外侧半距、高度、厚度分别为(21.752.59)、(29.852.27)、(7.492.75)、(7.562.17)mm;内、外侧缘弧度分别为(83.44.4)和(75.24.2)。椎动脉沟的长度、宽度、高度和内倾角分别为(9.862.41)、(5.671.54)、(1.790.24)mm和(16.82.71),椎动脉沟纵轴角、横突孔角、侧块夹角分别为(18.12.4)、(20.72.5)、(11.41.8)。结论:寰椎后弓的骨性结构及椎动脉沟的解剖学观测对螺钉固定术治疗寰椎骨折有一定的指导意义,可避免损伤脊髓和椎动脉。

       

      Abstract: Objective: To observe the anatomical features of posterior arch of atlas in adult and provide the anatomical basis for its operation.Methods:The bony structures and vertebral artery groove of posterior arch of atlas in 80 adult dry atlas specimens were measured.Results:The inside and outside radius,height and thickness of posterior arch of atlas were(21.75 2.59) mm,(29.85 2.27) mm,(7.49 2.75) mm and(7.56 2.17) mm,respectively.The radians of medial and lateral margin of posterior arch of atlas were(83.4 4.4) and(75.2 4.2) degrees.The length,width,height and inclination angle of vertebral artery groove were(9.86 2.41),(5.67 1.54) and(1.79 0.24) mm and(16.8 2.71) degrees,respectively.The vertical axis angle,transverse foramen angle and lateral mass angle were (18.1 2.4) degrees,(20.7 2.5) degrees and(11.4 1.8) degrees.Conclusions:The anatomical data of bony structures and vertebral artery groove of posterior arch of atlas have certain guiding significance in the treatment of atlas fracture with screw fixation,which can avoid to damage the spinal cord and vertebral artery.

       

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