MRI Spine Imaging

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Author:
hrmckensey1015
ID:
307648
Filename:
MRI Spine Imaging
Updated:
2015-09-12 09:41:50
Tags:
mri spine
Folders:
MRI
Description:
MRI spine imaging
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  1. How many articulating vertebrae are there
    24
  2. how many fused vertebrae are there
    9
  3. On T1 weighted images of spine, CSF appears _____ to the spinal cord
    hypointense (low signal intensity)
  4. On T2 weighted images of the spine, CSF appears ________ to spinal cord
    hyperintense
  5. what are the ligament flava
    ligaments which connect the laminae of adjacent vertebrae
  6. What is the sagittal plane in spine ideal to evaluate?
    • Height of intervertebral bodies/disc
    • Posterior disc herniation
    • degree of spinal stenosis
  7. Coronal plane of spine is optimal for
    Measuring the degree of right to left curvature
  8. The axial plane of spine best visualizes
    dorsal and ventral nerve roots
  9. What is the intervertebral disc made of?
    annulus fibrosus and nucleus pulposus
  10. Why would there be a bright signal intensity on T2 images of healthy nucleus pulposus
    Because it is made up of 80% water
  11. What images are mandatory in cevical spine imaging for evaluation of cord anatomy(H sign)?
    Gradient echo T2* axial images
  12. What coverage should be included in sagittal slices of Lspine?
    Inferior body of T11 and S2
  13. What slice orientation is selected through intervertebral disc spaces?
    Oblique transverse plane
  14. What area of the spine is LEAST affected by CSF flow?
    Lumbar
  15. Which  sequence is used the least in a patient with post surgical metal hardware?
    Gradient echo sequence
  16. Where does the conus medullaris occur?
    at T12-L1
  17. What is the end of the spinal cord called?
    Cauda equina
  18. what is the cauda equina?
    Spinal nerves continuing as dangling nerve roots
  19. The terminal nerve root of spine is called
    filum terminale
  20. What plane best visualizes the conus and cauda equina?
    Sagittal plane
  21. What is a tethered spinal cord?
    spinal cord is pulled lower than natural position. generally in children or patients with spina bifida or chiari malformation
  22. What is the function of the vertebral body?
    Strength of vertebral column and support of body weight
  23. What is the innermost portion of the vertebral body called?
    Centrum
  24. What are pedicles
    processes that project posteriorly from the vertebral body to meet 2 laminae
  25. what forms the walls of the vertebral foramen?
    Vertebral arch and posterior surface of vertebral body
  26. Where are vertebral notices located?
    indentations superior and inferior to each pedicle
  27. What is the intervertebral foramina?
    where spinal nerves emerge from the vertebral column
  28. What is the strongest cervical vertebrae
    Axis (C2)
  29. What is the most distinctive feature of cervical vertebrae?
    Oval shaped transverse foramen found in the transverse process
  30. What does the transverse foramen allow passage for?
    vertebral arteries and accompanying veins
  31. What attaches to the anterior tubercle and a posterior tubercle of the transverse process
    lateral cervical muscles (levator scapulae and scalenes muscles)
  32. What are the anterior tubercles of the C6 vertebra called?
    Carotid tubercles (the common carotid arteries may be compressed in this location to control bleeding from these vessels)
  33. Where is the vertebra prominens?
    C7 spinous process

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