腰椎间盘突出症是中老年人群的多发病和常见病,占X线日常门诊拍片相当大的比例。腰椎间盘是由上下各一玻璃样软骨盘和位于其中的髓核及包绕在四周的纤维环构成。普通X线不显影,所以一直以来认为X线不能对腰椎间盘突出症做出明确的诊断。近年来计算机X线摄影(CR)技术的出现,大幅 Lumbar disc herniation is a common disease in the elderly population, accounting for a large proportion of X-ray daily clinic film. Lumbar disc is composed of upper and lower glass-like cartilage discs and located in which the nucleus and surrounded by a fibrous ring around. Ordinary X-ray is not developing, it has been that X-ray can not make a clear diagnosis of lumbar disc herniation. In recent years, the advent of computerized radiography (CR) technology has dramatically increased