Spine Imaging

Question 1

Pedicle brings together 4 bony parts:

Answer 1

1. body
2. transverse process
3. inferior articular process
4. superior articular process

Question 2

Oblique plain film in L-sp was used to visualize what?

Answer 2

facet joint spaces

Question 3

What is the neck part of the scotty dog fracture?

Answer 3

Pars interarticularis

Question 4

4 spaces between vertebrae?

Answer 4

1. intervertebral foramina
2. spinal canal
3. interlaminar
4. interspinous

Question 5

articulations between joints?

Answer 5

intervertebral disc

facet joints

Question 6

an L4-5 disc protrusion affects which nerve?

Answer 6

L5

Question 7

An L3-4 disc protrusion affects which nerve?

Answer 7

L4

Question 8

MRI spine is good for?

Answer 8

disc
thecal sac
nerve roots

Question 9

Bone Scintigraphy injection with what? emits what?

Answer 9

technetium

emits gamma rays

Question 10

Technitium taken up by?

Answer 10

osteoblasts

Question 11

What does bone scintigraphy assess?

Answer 11

1. osteoblastic activity

2. vascularity

Question 12

What does Bone densitometry measure? what does the info give?

Answer 12

bone mineral density via low dose radiation, compares to age-matched reference
gives risk of fracture