Although rugger-jersey spine is not a specific feature for diagnosis, it may reflect the progress of disease. So it can be used as an imaging index of condition evaluation.

• 夹心椎虽无诊断特异性，但可以反映病情的发展情况，它可随病情的好转而逐渐消退，也可随病情的加重而日益明显，宜视为评估病情变化的影像学指标之一。