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With regard to the anatomy of the subaxial cervical spine, which of the following statements is TRUE?
Rotation is greatest at more caudal levels
The vertebral artery traverses the foramen transversarium at all levels in the subaxial spine in the majority of patients
The orientation of the superior articular facets transitions from posterolateral facing to posteromedial facing as one travels caudal
When viewed on axial imaging, the inferior articular process is anterior to the superior articular process
In the majority of patients all subaxial cervical vertebrae have a foramen transversarium
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A 3-year old male falls from a table and is brought to the emergency room with neck pain, but no neurologic deficits. Cervical spine radiographs show a synchondrosis separating the odontoid process from the body of the axis. Which of the following best describes this radiographic finding?
a normal physiologic finding
radiographic findings represent a developmental abnormality due to delayed ossification
radiographic findings represent a developmentall abnormality due to early ossification
radiographic findings represent a type 1 traumatic odontoid fracture
radiographic findings represent a type 3 traumatic odontoid fracture
HPI - This man showed up in outpatient clinic complaining about neck and shoulder(right) pain. We conducted an AP & Lateral x-ray just to check his cervical spine. At the lateral view we noted a small long bone at the rear end of the cervical spine (at c6-c7). Never seen this before. We asked him if he put his hand or anyone else tried to help him, but he denied everything. He was alone in the x-ray room with his hands down.
What's this bone?