Thoracic Spine Anatomy




Computed Tomography (CT) Axial Thoracic


Imaging Superior to Inferior



Figure 2-1


Axial CT Image.

Disc level. 1. Intervertebral disc T7-8 2. Spinal cord 3. Superior articular process T8 4. Inferior articular process T7 5. Lamina T7 6. Spinous process T7 7. Costovertebral joint 8. T8 rib head 9. Myelographic contrast-filling thecal sac 10. Multifidus muscle 11. Longissimus dorsi muscle 12. Trapezius muscle 13. Aorta 14. Lung 15. Facet joint.



Figure 2-2


Axial CT Image.

Upper pedicle level. 1. T8 vertebral body 2. Spinal cord 3. Pedicle 4. Lamina T8 5. Spinous process T7 6. T8 rib head 7. Costovertebral joint 8. Costotransverse joint 9. Myelographic contrast-filling thecal sac 10. Transverse process 11. Multifidus muscle 12. Longissimus dorsi muscle 13. Lung 14. Aorta.



Figure 2-3


Axial CT Image.

Mid pedicle level. 1. T8 vertebral body 2. Basivertebral vein 3. Spinal cord 4. Myelographic contrast-filling thecal sac 5. Pedicle 6. Lamina T8 7. Transverse process 8. Spinous process T7 9. Multifidus muscle 10. Longissimus dorsi muscle 11. Lung 12. Aorta 13. Diaphragmatic crus.



Figure 2-4


Axial CT Image.

Upper foraminal level. 1. T8 vertebral body 2. Spinal cord 3. Myelographic contrast-filling thecal sac 4. Lamina T8 5. Transverse process 6. Spinous process T7 7. Neural foramen 8. Multifidus muscle 9. Longissimus dorsi muscle 10. Lung 11. Aorta.



Figure 2-5


Axial CT Image.

Lower foraminal level. 1. Inferior T8 vertebral body 2. Spinal cord 3. Myelographic contrast-filling thecal sac 4. Superior articular process T9 5. Inferior articular process T8 6. Lamina T8 7. Spinous process T8 8. Rib head T9 9. Left T8 nerve root in T8-9 neural foramen 10. Lung 11. Aorta 12. Multifidus muscle 13. Longissimus dorsi muscle 14. T8-9 facet joint 15. Costovertebral joint.



Figure 2-6


Axial CT Image.

Disc level. 1. Intervertebral disc T8-9 2. Spinal cord 3. Myelographic contrast-filling thecal sac 4. Superior articular process T9 5. Inferior articular process T8 6. Lamina T8 7. Spinous process T8 8. Rib head T9 9. Costovertebral joint 10. Multifidus muscle 11. Longissimus dorsi muscle 12. Lung 13. Aorta 14. Azygos vein 15. Hemiazygos vein.






Magnetic Resonance Imaging (MRi) Axial Thoracic


Imaging Superior to Inferior



Figure 2-7


Axial MR T2-weighted Image.

Disc level. 1. Intervertebral disc T7-8 2. Spinal cord 3. Superior articular process T8 4. Inferior articular process T7 5. Lamina T7 6. Spinous process T7 7. Costovertebral joint 8. T8 rib head 9. CSF in the thecal sac 10. Multifidus muscle 11. Longissimus dorsi muscle 12. Trapezius muscle 13. Aorta 14. Lung 15. Facet joint.

Aug 25, 2019 | Posted by in NEUROLOGICAL IMAGING | Comments Off on Thoracic Spine Anatomy

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