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Fig. 5 | BMC Musculoskeletal Disorders

Fig. 5

From: Lumbar plain radiograph is not reliable to identify lumbosacral transitional vertebra types according to Castellvi classification principle

Fig. 5

Variance of the orientation of the JLS seen in type IIa MA-LSTV. a AP-LPR image showing that the orientation of the JLS pointed upward when moving laterally instead of parallel to the horizontal line. Arrow indicates the JLS. b Oblique LPR showing orientation of the JBS was not parallel to the inferior endplate of the MA-LSTV. Arrow indicates the JBS. Arrowhead indicates the inferior endplate of the MA-LSTV. c Transaxial CT images showing the orientation of the JBS was not parallel to the coronal plane. Arrow indicates the JLS

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