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CT of the Craniocervical junction: Anatomy

The images below are reconstructions obtained from a scan of the cervical spine. Each row of thumbnails correspond to a given level and the green cross indicates the reference planes for each image of this Level.

Click each thumbnail to see the corresponding full-size version of the photo with captions. The large photo displays in the center of the page.

Level 1.

  • CT of the Craniocervical junction. Image 1
    Axial reconstruction. 1, Atlanto-occipital joint. 2, Anterior arch, C1 (Atlas). 3, Odontoid process. 4, Occipital condyle.
  • CT of the Craniocervical junction. Image 2
    Coronal reconstruction. 1, Occipital condyle. 2, Atlanto-occipital joint. 3, Transverse process, C1 (Atlas). 4, Odontoid process. 5, Lateral mass, C1 (Atlas).
  • CT of the Craniocervical junction. Image 3
    Sagittal reconstruction. 1, Clivus. 2, Anterior arch, C1 (Atlas). 3, Odontoid process. 4, Vertebral body, C4. 5, Spinous process, C4.
 

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Level 2

  • CT of the Craniocervical junction. Image 4
    Axial reconstruction. 1, Anterior arch, C1 (Atlas). 2, Odontoid process. 3, Styloid process. 4, Transverse foramen. 5, Posterior arch, C1 (Atlas).
  • CT of the Craniocervical junction. Image 5
    Coronal reconstruction. 1, Atlanto-occipital joint. 2, Occipital condyle. 3, Transverse process, C1 (Atlas). 4, Intervertebral disc space C2-C3. 5, Body C2. 6, Lateral mass, C1 (Atlas).
  • CT of the Craniocervical junction. Image 6
    Sagittal reconstruction. 1, Clivus. 2, Anterior arch, C1 (Atlas). 3, Atlanto-axial joint. 4, Axis (C2). 5, Intervertebral disc space C3-C4. 6, Spinous process, C5.
 

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Level 3

  • CT of the Craniocervical junction. Image 7
    Axial reconstruction. 1, Inferior articular facet C1. 2, Odontoid process. 3, Posterior arch, C1 (Atlas).
  • CT of the Craniocervical junction. Image 8
    Coronal reconstruction. 1, Occipital condyle. 2, Atlas (C1). 3, Axis (C2). 4, Vertebral body, C3.
  • CT of the Craniocervical junction. Image 9
    Sagittal reconstruction. 1, Anterior arch, C1. 2, Odontoid process. 3, Spinous process, C2.
 

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Level 4.

  • CT of the Craniocervical junction. Image 10
    Axial reconstruction. 1, Superior articular facet C2. 2, Body C2. 3, Styloid process. 4, Spinal canal.
  • CT of the Craniocervical junction. Image 11
    Coronal reconstruction. 1, Atlanto-occipital joint. 2, Occipital condyle. 3, Transverse process, C1 (axis) - left side. 4, Lateral mass, C1 (left side). 5, Lateral mass, C1 (right side).6, Transverse process, C1 (axis) - right side.
  • CT of the Craniocervical junction. Image 12
    Sagittal reconstruction. 1, Clivus. 2, Anterior arch, C1 (Atlas). 3, Spinous process, C3.
 

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Level 5

  • CT of the Craniocervical junction. Image 13
    Axial reconstruction. 1, Transverse process, C2. 2, Body C2. 3, Transverse foramen (C2). 4, Spinal canal. 5, Spinous process, (C2). 6, Lamina. 7, Pedicle.
  • CT of the Craniocervical junction. Image 14
    Coronal reconstruction. 1, Occipital condyle. 2, Odontoid process. 3, Atlanto-axial joint. 4, Intervertebral disc space C2-C3. 5, Body C2.
  • CT of the Craniocervical junction. Image 15
    Sagittal reconstruction. 1, Clivus. 2, Spinal canal. 3, Spinous process, C5.
 

Level 6

  • CT of the Craniocervical junction. Image 16
    Axial reconstruction. 1, Neural foramen. 2, Body C2. 3, Inferior articular process, C2. 4, Vertebral canal. 5, Bifid spinous process, C2 (Axis). 6, Lamina.
  • CT of the Craniocervical junction. Image 17
    Coronal reconstruction. 1, Transverse process, C1. 2, Atlanto-occipital joint. 3, Occipital condyle. 4, Lateral mass, C1. 5, Atlanto-axial joint. 6, Intervertebral disc space C2-C3. 7, Vertebral body, C3. 8, Tip of the transverse process, C3. 9, Transverse foramen, C2.
  • CT of the Craniocervical junction. Image 18 de 18
    Sagittal reconstruction. 1, Pharynx. 2, Epiglottic cartilage. 3, Vertebral canal. 4, Intervertebral disc space C4-C5.
 

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