MRI of the Thoracic Spine: Axial T1 wtd.images.

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MRI of the Thoracic Spine Axial T1 wtd.images.
A Yellow arrow Thoracic cord Long white
arrow Cerebrospinal fluid space Orange arrow
Costotransverse joint Green arrow Pedicle
White arrowhead Transverse process
T11 Body
Rib
A
B White arrow Neural foramina with exiting
nerve root Yellow arrow Facet joint Red arrow
Spinous process Green arrow Lamina Orange
arrow Thoracic Aorta
T11-T12 Disc
B
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Yellow arrow Bright T2 wtd . CSF signal
surrounds the cervical cord . Red arrow
Cervical cord. Blue arrow Left C6 nerve root
exits out of the spinal canal through C5-C6
neural foramina . White arrow Vertebral artery
.
C5-C6 DISC
Axial T2 wtd. MRI of the cervical spine at C5-C6
level
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MRI of the Thoracic Spine Sagittal T2 wtd.
Image White arrow Degenerative disc disease at
T7-T8 level.
Yellow arrow Normal thoracic cord is seen
surrounded by bright cerebrospinal fluid(C.S.F)
signal on T2 wtd. pulse sequence, which is the
sequence of choice to evaluate spinal cord
pathology.
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MRI cervical spine Sagittal T2wtd. fat
suppressed Image . C.S.F signal is bright (
yellow arrow ) on T2 wtd. Image ( dark on T1 wtd.
Image ). Cerebro spinal fluid surrounds the
spinal cord. Subcutaneous fat signal is
suppressed and appears dark on fat suppressed
image( green arrow ) whereas fat signal is bright
on T1 wtd. Image . Red arrow points to cervical
cord .
C2
C5
T1
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• MRI OF CERVICAL SPINE Sagittal projection
• T1 wtd. Image CSF is dark ( yellow arrow )
• surrounding the thoracic cord ( red arrow )
• FAT is bright ( green arrow ) on T1 wtd. Image .
• Anterior arch of C1
• Odontoid process of C2
• C2 vertebral body
• C5-C6 disk space
• Posterior arch of C1
• Cervical cord
• C7 spinous process

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C5
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T1
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Anatomy of Brain By Magnetic Resonance Imaging
(MRI)
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Identify anatomical structures 1 - 24
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Fig. 1.10 A midline Post-contrast Sagittal T1
Weighted MRI
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Fig. 1.10 A midline Post-contrast Sagittal t1
Weighted MRI
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Identify the brain structures in the following
post-contrast axial MR images (Fig 1.1 to Fig
1.9) marked 1 through 45
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Post Contrast sagittal T1 Weighted M.R.I.
Section at the level of Foramen Magnum
Fig. 1.1 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of medulla
Fig. 1.2 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Pons
Fig. 1.3 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Mid Brain
Fig. 1.4 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of the III Ventricle
Fig. 1.5 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Thalamus
Fig. 1.6 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Corpus Callosum
Fig. 1.7 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Body of Corpus Callosum
Fig. 1.8 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section
above the Corpus Callosum
Fig. 1.9 Post Contrast Axial MR Image of the brain
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Identify the brain structures in the following
post-contrast axial MR images (Fig 1.1 to Fig
1.9) marked 1 through 45
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Fig. 1.11. Coronal Section of the Brain at the
level of IV Ventricle Post Contrast Coronal T1
Weighted MRI
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Fig. 1.12. Coronal Section of the Brain at the
level of Pituitary gland Post Contrast Coronal T1
Weighted MRI
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Fig. 1.13. Coronal Section of the Brain at the
level of the orbits. Post Contrast Coronal T1
Weighted MRI.
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1. Scalp fat 2. Bone 3. Inferior sagittal
sinus 4. Corpus callosum 5. Internal cerebral
vein 6. Vein of Galen 7. Superior sagittal
sinus 8. Parietal lobe 9. Occipital lobe 10.
Straight sinus 11. Vermis 12. IV ventricle 13.
Cerebellar tonsil 14. Cervical cord 15.
Medulla 16. Pons 17. Midbrain 18. Mass intermedia
of thalamus 19. Anterior III ventricle 20. Optic
chiasm 21. Pituitary gland 22. Sphenoid sinus 23.
Nasopharynx 24. Frontal lobe
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Fig. 1.10 A midline Post-contrast Sagittal T1
Weighted MRI
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Identify anatomical structures 1 - 8
Fig. 1.11. Coronal Section of the Brain at the
level of IV Ventricle Post Contrast Coronal T1
Weighted MRI
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1. Cerebellar tonsil 2. Cerebellar hemisphere 3.
IV ventricle 4. Superior vermis 5. Tentorium 6.
Posterior temporal lobe 7. Choroid plexus within
lateral ventricle 8. Posterior frontal lobe
Fig. 1.11. Coronal Section of the Brain at the
level of IV Ventricle Post Contrast Coronal T1
Weighted MRI
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Identify anatomical structures 1 - 12
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Fig. 1.12. Coronal Section of the Brain at the
level of Pituitary gland Post Contrast Coronal T1
Weighted MRI
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1. Frontal lobe 2. Corpus callosum 3. Frontal
horn 4. Caudate nucleus 5. III ventricle 6. Optic
nerve 7. Pituitary stalk 8. Pituitary gland 9.
Internal carotid artery 10. Cavernous sinus 11.
Sphenoid sinus 12. Nasopharynx
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Fig. 1.12. Coronal Section of the Brain at the
level of Pituitary gland Post Contrast Coronal T1
Weighted MRI
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Identify anatomical structures 1 - 5
Fig. 1.13. Coronal Section of the Brain at the
level of the orbits. Post Contrast Coronal T1
Weighted MRI.
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1. Frontal lobe 2. Orbital Fat 3. Globe 4. Nasal
Cavity 5. Maxillary Sinus
Fig. 1.13. Coronal Section of the Brain at the
level of the orbits. Post Contrast Coronal T1
Weighted MRI.
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Identify the brain structures in the following
post-contrast axial MR images (Fig 1.1 to Fig
1.9) marked 1 through 45
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Post Contrast sagittal T1 Weighted M.R.I.
Section at the level of Foramen Magnum
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Answers
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1. Cisterna Magna 2. Cervical Cord 3.
Nasopharynx 4. Mandible 5. Maxillary Sinus
Fig. 1.1 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of medulla
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Answers
6. Medulla 7. Sigmoid Sinus
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Fig. 1.2 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Pons
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Answers
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13. Internal Carotid Artery 14. Cavernous
Sinus 15. Middle Cerebellar Peduncle 16. Internal
Auditory Canal 17. Temporal Lobe
8. Cerebellar Hemisphere 9. Vermis 10. IV
Ventricle 11. Pons 12. Basilar Artery
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Fig. 1.3 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Mid Brain
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Answers
18. Aqueduct of Sylvius 19. Midbrain 20.
Orbits 21. Posterior Cerebral Artery 22. Middle
Cerebral Artery
Fig. 1.4 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of the III Ventricle
Answers
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23. Occipital Lobe 24. III Ventricle 25. Frontal
Lobe 26. Temporal Lobe 27. Sylvian Fissure
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Fig. 1.5 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Thalamus
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Answers
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28. Superior Sagittal Sinus 29. Occipital
Lobe 30. Choroid Plexus within the
occipital horn 31. Internal Cerebral Vein 32.
Frontal Horn
33. Thalamus 34. Temporal Lobe 35. Internal
Capsule 36. Putamen 37. Caudate Nucleus 38.
Frontal Lobe
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Fig. 1.6 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Corpus Callosum
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Answers
39. Splenium of corpus callosum 40. Choroid
plexus within the body of lateral
ventricle 41. Genu of corpus callosum
Fig. 1.7 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section at
the level of Body of Corpus Callosum
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Answers
42. Parietal Lobe 43. Body of the Corpus
Callosum 44. Frontal Lobe
Fig. 1.8 Post Contrast Axial MR Image of the brain
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Post Contrast sagittal T1 Wtd M.R.I. Section
above the Corpus Callosum
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45. Parietal Lobe 46. Frontal Lobe
Fig. 1.9 Post Contrast Axial MR Image of the brain