Computed Tomography (CT) Cervical Axial
Axial CT Image.
Odontoid process level. 1. Odontoid process (dens) 2. Lateral mass C1 3. Lateral arch C1 4. Posterior arch C1 5. Intrathecal contrast in subarachnoid space 6. Cervical spinal cord 7. Midline tubercle, anterior C1 arch 8. Transverse foramen containing vertebral artery 9. Dorsal rootlet 10. Obliquus capitis inferior muscle 11. Semispinalis capitis muscle 12. Tubercle for transverse ligament attachment 13. Longus coli (longus cervicis) muscle.
Axial CT Image.
Base of odontoid level. 1. Base of odontoid process 2. Superior articular facet C2 3. Inferior articular facet C1 4. Intrathecal contrast in subarachnoid space 5. Spinal cord 6. Obliquus capitis inferior muscle 7. Semispinalis capitis muscle 8. Facet joint.
Axial CT Image.
C2 body level. 1. C2 vertebral body 2. C2 pedicle 3. C2 lamina 4. C2 spinous process 5. Spinal cord 6. Vertebral artery in transverse foramen 7. Obliquus capitis inferior muscle 8. Dorsal rootlet 9. Rectus capitis posterior minor muscle 10. Semispinalis capitis muscle 11. Splenius capitis muscle.
Axial CT Image.
C4 pedicle level. 1. Spinal cord 2. C4 vertebral body 3. C4 pedicle 4. C4 articular pillar 5. C4 lamina 6. Transverse foramen containing vertebral artery 7. Multifidus muscle 8. Semispinalis capitis/cervicis muscle 9. Splenius capitis/cervicis muscle.
Axial CT Image.
Superior C4-5 neural foramen. 1. Spinal cord 2. C4 vertebral body 3. Superior articular process C5 4. Inferior articular process C4 5. C4 lamina 6. C4 spinous process 7. Ventral rootlet 8. Facet joint.
Axial CT Image.
C4-5 intervertebral disc level. 1. Intervertebral disc C4-5 2. Uncinate process C5 3. Superior articular facet C5 4. Spinous process C4 5. Spinal cord 6. Neural foramen C4-5, inferior portion.
Axial CT Image.
Superior C5 endplate level. 1. Intervertebral disc C4-5 2. C5 pedicle 3. C5 uncinate process 4. C5 lamina 5. Multifidus muscle 6. Right vertebral artery 7. Left vertebral artery 8. Semispinalis cervicis muscle 9. Spinal cord 10. Posterosuperior C5 vertebral endplate.
Axial CT Image.
C5 pedicle level. 1. C5 vertebral body 2. C5 pedicle 3. C5 lamina 4. C5 articular pillar 5. Transverse foramen containing vertebral artery 6. Spinal cord 7. C5 transverse process 8. Multifidus muscle 9. Semispinalis cervicis muscle.
Magnetic Resonance Imaging (MRi) Cervical Axial
Axial Gradient-Recalled Echo (GRE) Image.
C4 pedicle. 1. C4 vertebral body 2. CSF 3. Cervical spinal cord 4. C4 pedicle 5. Articular pillar C4 6. Longus cervicis muscle 7. Left vertebral artery 8. Lamina 9. Multifidus muscle 10. Semispinalis cervicis muscle 11. Splenius capitis muscle 12. Lateral process C4 13. Paravertebral vein 14. Epidural vein 15. Right internal carotid artery 16. Right internal jugular vein.
Axial Gradient-Recalled Echo (GRE) Image.
Mid C4 vertebral body. 1. C4 vertebral body 2. Basivertebral vein 3. Pedicle C4 4. Left vertebral artery 5. Spinal cord 6. Lamina C4 7. Articular pillar 8. Paravertebral vein 9. Longus cervicis muscle 10. Multifidus muscle 11. Semispinalis cervicis muscle 12. Splenius cervicis muscle 13. Left internal carotid artery 14. Left internal jugular vein 15. Cervical airway.
Axial Gradient-Recalled Echo (GRE) Image.
Upper C4-5 neural foramen. 1. C4 vertebral body 2. Basivertebral vein C4 3. Spinal cord 4. Left vertebral artery 5. Venous plexus adjacent to vertebral artery 6. Articular pillar C4 7. Lamina 8. Paravertebral vein 9. Multifidus muscle 10. Semispinalis cervicis muscle 11. Splenius cervicis muscle 12. Right internal jugular vein 13. Right internal carotid artery.
Axial Gradient-Recalled Echo (GRE) Image.
Mid C4-5 foramen level. 1. C4 vertebral body 2. Spinal cord 3. Superior articular process C5 4. Inferior articular process C4 5. Lamina 6. Spinous process C4 7. Left vertebral artery 8. Facet joint C4-5 9. Dorsal root ganglion C5 10. Dorsal rootlet 11. Ventral rootlet 12. Longus cervicis muscle 13. Multifidus muscle 14. Semispinalis cervicis muscle 15. Splenius cervicis muscle 16. Right internal jugular vein 17. Right internal carotid artery.
