MRI pituitary gland coronal T1 post contrast - labeling questions

Case contributed by Craig Hacking
Diagnosis not applicable

Normal MR pit (with labels)

Annotated image

The labeled structures are (excluding the correct side):

  1. canalicular segment of optic nerve
  2. sphenoid sinus
  3. frontal horn of lateral ventricle
  4. Sylvian fissure
  5. body of corpus callosum
  6. clinoid segment of internal carotid artery
  7. septum pellucidum
  8. anterior clinoid process
  9. cisternal segment of optic nerve
  10. anterior pituitary gland
  11. cavernous segment of internal carotid artery
  12. nasopharynx
  13. optic chiasm
  14. supracellar cistern
  15. ophthalmic segment of internal carotid artery
  16. M1 (horizontal) segment of middle cerebral artery
  17. terminal segment of internal carotid artery
  18. cavernous sinus
  19. A1 (pre communicating) segment of anterior cerebral artery
  20. posterior pituitary gland
  21. laceral segment of internal carotid artery
  22. body of lateral ventricle
  23. pituitary stalk
  24. Meckel's cave
  25. mamillary body
  26. clivus
  27. interpeduncular cistern
  28. posterior clinoid process
  29. petrous segment of internal carotid artery
  30. third ventricle

Normal MR pit (without labels)

mri

The same normal pituitary MRI T1 with contrast without labels for reference.

Case Discussion

The labeled structures are (excluding the correct side):

  1. canalicular segment of optic nerve
  2. sphenoid sinus
  3. frontal horn of lateral ventricle
  4. Sylvian fissure
  5. body of corpus callosum
  6. clinoid segment of internal carotid artery
  7. septum pellucidum
  8. anterior clinoid process
  9. cisternal segment of optic nerve
  10. anterior pituitary gland
  11. cavernous segment of internal carotid artery
  12. nasopharynx
  13. optic chiasm
  14. supracellar cistern
  15. ophthalmic segment of internal carotid artery
  16. M1 (horizontal) segment of middle cerebral artery
  17. terminal segment of internal carotid artery
  18. cavernous sinus
  19. A1 (pre communicating) segment of anterior cerebral artery
  20. posterior pituitary gland
  21. laceral segment of internal carotid artery
  22. body of lateral ventricle
  23. pituitary stalk
  24. Meckel's cave
  25. mamillary body
  26. clivus
  27. interpeduncular cistern
  28. posterior clinoid process
  29. petrous segment of internal carotid artery
  30. third ventricle

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