临床怀疑胸椎病变，需摄胸椎正侧位片检查。胸椎摄片条件选择是否恰当是保证照片质量的关键。这虽是一个较陈旧的技术问题，但部分摄片人员，甚至包括部分年资较高的摄片人员仍然掌握不准这一技术。因而在放射诊断工作中，常见到胸椎正位片条件选择过小，穿透不足，解剖层次未 Clinical suspicion of thoracic lesions, need to be the right chest X-ray film examination. Thoracic radiography conditions is the right choice to ensure the quality of the key to the photo. Although this is a rather old-fashioned technical issue, part of the film crew and even some of the senior film crew members still do not have the technology. Therefore, in the diagnostic work of radiation, thoracic vertebral anteroposterior conditions common to choose too small, insufficient penetration, anatomical level