Objective to provide anatomical basis for excision the transverse process segment of vertebral artery.
目的为椎动脉横突段的手术切除提供解剖学基础。
Results There were 3 cases existing in the asymmetry of vertebral artery, 2 with abnormal segment, 1 directly entering the foramen magnum, and 1 invaded by tumor.
结果影像学研究发现椎动脉不对称3例，异常分支2例，直接入颅1例，肿瘤侵犯1例。
Conclusions Stent angioplasty is safe and effective for treatment of symptomatic stenosis at the beginning segment of vertebral artery.
结论支架成形术治疗椎动脉起始段狭窄是安全有效的方法。
Objective: To investigate the effects of variations in vertebral endplate concavity on the mechanical behaviors of the lumbar motion segment.
目的：研究终板凹陷程度变化对腰椎运动节段生物力学影响。
Conclusions The ratio of lumbar intervertebral height to vertebral body height was constant in every segment.
结论各椎间隙与上位椎体间的比值较恒定。
Conclusions The ratio of lumbar intervertebral height to vertebral body height was constant in every segment.
结论各椎间隙与上位椎体间的比值较恒定。
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