Temporal bone encephalomeningocele is rarely seen and it occurs mostly after surgery 摘要脑膜脑膨出常见于腰椎或荐椎，而在头颈部则偶见于鼻部。
2.
Chordomas are rare tumors of notochordal tissue remnants and most frequently affect the sacrum and skull base 摘要脊索瘤是来自脊索遗迹的罕见肿瘤，主要侵犯荐椎及颅底。
3.
One 20 year - old man suffered from subacute intraspinal subdural hematoma in the sacral level after minor sports injury 一个二十岁年轻男性在轻微的运动伤害后，于荐椎处发现亚急性硬脑膜下腔血肿。
4.
Rf has been used in more than 200 patients and proven most adequate for thoracolumbar fractures and other localized lumbosacral disorders 这系统已用于起过二百以上的病人，并且证实非常适用于胸腰椎骨折和其它局部的腰荐椎疾病。
5.
Reduction - fixation system ( rf ) for reducing and fixing thoracolumbar fractures and other regional lumbosacral disorders has been developed 摘要一种命名为复位-固定脊椎内植入系统，用以复位和固定胸腰椎骨折及其它腰荐椎疾病已被发展出来。
6.
A reduction - fixation system ( rf ) for reducing and fixing thoracolumbar fractures and other regional lumbosacral disorders has been developed 摘要一种命名为复位-固定脊椎内植入系统，用以复位和固定胸腰椎骨折及其它腰荐椎疾病已被发展出来。
