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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

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

Fig. 3

A suspected type IV MA-LSTV judged by AP-LPR was verified to be type IIIb by CT-CRI. a AP-LPR image showing the suspected JLS existed on the right side with narrowed connection width and RSB. Arrow indicates the suspected JLS. b CT-CRI showing the right TP of the MA-LSTV separated from the sacrum in some CT-CRIs through the vertebral arch planes. Arrowhead indicates the JLS with vague RSB on the right side. c CT-CRI showing BUS on the right side with RSB. Arrow indicates the BUS with RSB. d Transverse CT image confirmed bony connection bilaterally, while the connection region was much narrower and shorter on the right side compared to the left side

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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