患者仰卧于摄影台上，头部正中矢状面与台面中线重合并垂直。头上仰使上颌门齿与枕外隆突连线垂直台面。中心线垂直投照，经颈3、4中点射入胶片中心。摄影时上颌不动，下颌保持咀嚼动作。
我们使用正位透视验证胸骨柄-下颌骨中心连线是否平分颈椎棘突及椎体。
We used anteroposterior fluoroscopy to validate that a line from the middle of the manubrium to the mandible bisected the spinous processes and midline of the vertebral bodies.
线平片对青年型颈椎病的诊断有重要价值，正位、侧位及斜位均很重要。
X-ray diagnosis of Juvenile Cervical Spondylosis has an important value, and anteroposterior, lateral and oblique X-ray plain films cannot be neglected.
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