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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Morphology of intervertebral disc ruptures evaluated by vacuum phenomenon using multi-detector computed tomography: association with lumbar disc degeneration and canal stenosis

Fig. 2

Distribution of vacuum phenomena. The distribution of vacuum phenomena (VPs) was classified using axial imaging by multi-detector computed tomography (MDCT). The intervertebral disc (IVD) was divided into three areas (nucleus pulposus: N; anterior annulus fibrosus: A; and posterior annulus fibrosus: P). Then, the distribution of intradiscal VPs was classified into four groups using combinations of these areas

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