objective: a new viewpoint about the ct diagnostic significance of vacuum phenomenon within the lumbar intervertebral joint was proposed.
目的:提出腰椎小关节真空现象在ct诊断意义中的一种新观点。
the degeneration of the intervertebral disc and the intervertebral joint and the sagittal form of the intervertebral joint had obvious relations to the degenerative spondylolisthesis.
椎间盘、椎间关节的退变及椎间关节的矢状化方向与退变性腰椎滑脱有明显的相关性。
materials and methods:the ct features with vacuum phenomena within the lumbar intervertebral joint of 9 cases were analyzed and compared with lateral views of the lumbar spine.