2025年1月1日 · The Scottie dog sign (often seen spelled Scotty but Scottie is the correct spelling) refers to the normal appearance of the lumbar spine when seen on oblique radiographic projection. On oblique views, the posterior elements of the vertebra form t...

Gaillard F Scottie dog (diagram). Case study, Radiopaedia.org (Accessed on 15 Jan 2025) https://doi.org/10.53347/rID-7552

2024年7月17日 · The lumbar spine oblique view is used to visualize the articular facets and pars interarticularis of the lumbar spine.

2024年12月19日 · Spondylolysis, commonly known as pars interarticularis defect or pars defect, is a defect in the pars interarticularis, the portion of the vertebral arch that connects the superior and inferior articular facets. It usually occurs in the lumbar sp...

2 articles feature images from this case Scottie dog sign (spine) Lumbar spine (oblique view)

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Spondylolysis is a specific defect in the pars interarticularis unit. This defect can lead to small stress fractures (breaks) in the vertebrae.

2024年7月17日 · The collar sign in spondylolysis refers to a break in the pars interarticularis of the vertebra on oblique radiographs that can have the appearance of a collar around the Scottie dog's neck. unilateral or bilateral 90% seen at the L5 level and ...

2024年11月22日 · The pars interarticularis or simply pars (plural: partes interarticulares) is the part of a vertebra located between the superior and inferior articular processes. Gross anatomy In the axis and the thoracolumbar spine, the pars interarticulari...

Transverse process Pedicle Superior articular process Pars interarticularis (isthmus) Lamina Inferior articular process Spinous process. Interlaminar space Intervertebral disc Scotty dog sign