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Diagnostic Imaging COPY > E2 bonus +1 > Flashcards

Flashcards in E2 bonus +1 Deck (27)
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1
Q

What are the 4 radiographic signs of DDD?

A
  • -Decreased disc space
  • -Osteophytes
  • -Endplate Sclerosis
  • -Vacuum
2
Q

What type of modic changes represents marrow edema and inflammation?

A

Type 1

3
Q

What type of modic changes represents fatty marrow replacement?

A

Type 2

4
Q

What type of modic changes represent sclerotic changes?

A

Type 3

5
Q

What type of modic changes are mc in cervical spine?

A

Type 1

6
Q

What type of modic changes are mc in lumbar spine?

A

Type 2

7
Q

What population is at risk for degenerative spondylolisthesis?

A
  • -4th lumbar
  • -female
  • -over 40
8
Q

What is the most common location for DDD in the cervical spine?

A

C5/C6

9
Q

Uncinate hypertrophy will produce what radiographic sign?

A

pseudofracture line on lateral view

10
Q

Zygapophyseal degeneration is most most common at what locations in the spine?

A
  • -Middle Cervical
  • -Upper and Middle Thoracic
  • -Lower Lumbar
11
Q

disc space narrowing or at least 3 contiguous vertebrae, each with wedging of at least 5*?

A

scheuermann’s disease

12
Q

What is the onset of scheuermann’s disease?

A

13-17

13
Q

Exuberant hypertrophic changes involving the anterior vertebral body margins?

A

DISH

14
Q

What populations are at risk for DISH?

A

males over 50

15
Q

What is DISH’s affect on disc space?

A

preserves disc space

16
Q

What are the symptoms of midline cervical disc herniation?

A

myelopathy

17
Q

What are the symptoms of lateral cervical disc herniation?

A

compress nerve below

18
Q

What are the symptoms of midline lumbar disc herniations?

A

compress nerve below

19
Q

What are the symptoms of foraminal lumbar disc herniations?

A

compress nerve at same level

20
Q

What are the contents of the spinal canal?

A
  • -Thecal sac
  • -Epidural fat
  • -Internal vertebral plexus
  • -Ligamentum flavum
  • -PLL
21
Q

What are the MRI findings of the spinal canal contents?

A
  • -focal bulge
  • -obliterated epidural fat
  • -deformed theca
  • -displace nerve roots
  • -decreased MR signal
22
Q

What are the 4 directions of disc herniations?

A
  • -central
  • -paracentral
  • -infra foraminal
  • -extra foraminal
23
Q

What are the 4 disc herniation classifications?

A
  • -Bulge
  • -Protrusion
  • -Extrusion
  • -Sequestration
24
Q

What is the circumferential symmetric extension of the disc beyond the interspace?

A

bulge

25
Q

What is the asymmetric extension of the disc beyond the interspace?

A

protrusion

26
Q

What is the more extreme extension of the disc beyond the interspace, with the base against the disc of origin?

A

extrusion

27
Q

What is extruding the material of the disc itself into the canal?

A

sequestration