在颈瓶上，手柄固定在颈上，并通过有角度的旋转与腹部分开。
On a neck amphora, the handles are attached to the neck, which is separated from the belly by an angular carination.
方法常规等中心定位并体表标出激光灯“十”字，旋转治疗床至照射野避开肩关节治疗颈段肿瘤。
Methods Isocentric localization in routine way and marking the laser cross in body surface and revolving the bed made radiation field avoiding the shoulder joint.
结论：颈性头晕与椎体的半失稳、C2和C6的旋转关系密切。
Conclusion: The cervical dizzy has relation with the vertebral rotation of C2, C6 and the vertebral semi-unsteady.
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