The Neck of the Scotty dog corresponds to which vertebral feature?

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Multiple Choice

The Neck of the Scotty dog corresponds to which vertebral feature?

Explanation:
On the oblique view of the lumbar spine, the Scotty dog is formed by the posterior elements of a vertebra. The neck of the dog is the pars interarticularis—the narrow portion between the superior and inferior articular processes. This is the exact region where stress fractures occur in spondylolysis, so recognizing the neck helps you identify pars injuries. A fracture there may appear as a collar around the neck of the Scotty dog. The other features map to nearby structures (eye to the pedicle, ear to the superior articular process, nose to the transverse process), which is why the neck specifically corresponds to the pars interarticularis.

On the oblique view of the lumbar spine, the Scotty dog is formed by the posterior elements of a vertebra. The neck of the dog is the pars interarticularis—the narrow portion between the superior and inferior articular processes. This is the exact region where stress fractures occur in spondylolysis, so recognizing the neck helps you identify pars injuries. A fracture there may appear as a collar around the neck of the Scotty dog. The other features map to nearby structures (eye to the pedicle, ear to the superior articular process, nose to the transverse process), which is why the neck specifically corresponds to the pars interarticularis.

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