Radiologic Exam of Thoracic and Lumbar Spine Flashcards Preview

Differential Diagnosis > Radiologic Exam of Thoracic and Lumbar Spine > Flashcards

Flashcards in Radiologic Exam of Thoracic and Lumbar Spine Deck (31)
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1
Q

Spondylosis

  • Pars interarticualrs affected by:
  1. ____ defect
  2. _____
  3. ___, common with associated repetitive loading with OH lifting
A
  1. Congenital defect
  2. degeneration
  3. Trauma
2
Q

Which image views are used for radiologic assessment of thoracic scoliosis?

  1. Erect ___
  2. Erect ____
  3. Erect ___ ____, R and L
A
  1. Erect AP
  2. Erect lateral
  3. Erect AP Side-bending
3
Q

MRI protocol for thoracic and lumbar spine includes which 3 image planes?

A
  • Axial
  • Sagittal
  • Coronal (rarely)
4
Q

The image is what type of image and which plane of view for the lumbar spine?

A

Sagittal MRI Lumbar spine

5
Q

Which view of the lumbar spine assesses the following:

  • image of a scotty dog assures well vascularizied articulating processes, joints, and pars interarticularis
A

R and L Oblique

6
Q

Younger or Older: which age group has the following age-related fracture presentation:

  • dehydrated discs and demineralized bone results in wedge deformity
A

Older

7
Q

The image is what type of image and which plane of view for the lumbar spine?

A

Axial plane CT lumbar spine

8
Q

Which view of the lumbar spine assesses the following:

  • ABCs
  • Vertebral bodies and disc spaces
  • Intervertebral foramina => 3 lines
A

Lumbar Lateral

9
Q

Thoracic or Lumbar spine?

  • Osteoporosis
  • Scoliosis
  • Osteomyelitis (tuberculous)
  • Scheurmann’s Disease
  • Ankylosing spondylitis
A

Thoracic spine - abnormal conditions

10
Q

The following are signs and symptoms of which thoracic abnormal condition:

  • increased kyphosis
  • impaired ambulation
  • compromised visceral volume
  • compensatory changes above/below
  • pain
A

Thoracic compression fractures

11
Q

The image is what plane view and type of image for the thoracic spine?

A

Axial MRI thoracic spine

12
Q

When discussing spinal instability, the number of columns affected translates to the following:

  • 1 Column = ____
  • 2 Columns = ____
  • 3 columns = _____
A
  • 1 column = stable
  • 2 columns = depends
  • 3 columns = unstable

Image is a sagittal CT of the thoracic spine - unstable fracture invovling all 3 columns

13
Q

Which view of the thoracic spine assesses the following:

  • ABCs
  • Vertebral Bodies
  • Disc Spaces
  • Intervertebral Foramen
  • 3 parallel lines
A

Lateral

14
Q

The following describes which thoracic abnormal condition:

lateral deviation of the spine from the mid-sagittal plane with rotational deformation of the vertebrae and ribs

A

Thoracic: Scoliosis

15
Q

Thoracic or lumbar spine?

  • DDD
  • DJD
  • Spondylosis
A

Lumbar spine - degeneration

16
Q

What is one of the most common spinal injuries found in imaging for all age groups?

A

Anterior body compression fracture

17
Q

Common injuries: lumbar spine MOI

  1. ____ and axial compression (e.g. MVAs or falls)
  2. Forces mediated through ____ can travel up kinetic chain to spine
A
  1. hyperflexion and axial compression
  2. Forces mediated thorugh lower extremities can travel up kinetic chain to spine
18
Q

The image is what type of image and which plane of view for the lumbar spine?

A

Axial MRI lumbar spine

19
Q

Thoracic or Lumbar: which FOV for CT is described by the following:

  • base of lower cervical to upper lumbar, transverse processes, and AP of vertebral body
A

Thoracic FOV

20
Q

Younger or Older: which age group has the following age-related fracture presentation:

  • discs are thicker and absorb forces readily, resulting in disc herinations, endplate fractures, and shearing forces that avulse endplates
A

Younger

21
Q

Which view of the lumbar spine assesses the following:

  • L4-L5 and L5-S1 disc spaces
  • 3 parallel lines
  • Lumbosacral angle: Barge’s angle, Ferguson’s angle
A

L5-S1 Lateral

22
Q

Which view of the thoracic spine assesses the following:

  • ABCs
  • Vertebral Body Alignment
  • Pedicles equidistant
  • Spinous process at thoracic intervals
  • Rib joints
A

AP

23
Q

Mechanisms for compression fracture:

  1. ___ (90%)
  2. Younger adults = ____ and ____
  3. Older adults = _____ loss
A
  1. Flexion
  2. MVA and flass
  3. bone density loss
24
Q

The image is what plane view and type of image for the thoracic spine?

A

Sagittal MRI thoracic spine

25
Q

The image is what plane view and type of image for the thoracic spine?

A

Axial Plane CT thoracic spine

26
Q

Which type of imaging is best for spondylosis?

A

SPECT (nuclear imaging)

  • MRI, CT limited due to technical difficulties
27
Q

Thoracic or Lumbar: which FOV for CT is described by the following:

  • T12-SIJ, transverse processes, and AP of vertebral body
A
28
Q

Which view of the lumbar spine assesses the following:

  • interpedicular distances
  • spinous processses at equal intervals
  • Pedicles equidistant
  • Combination of superior and inferior articular processes
A

AP

29
Q

When discussing spinal stability, there are 3 columns considered:

  1. ___ = discs and vertebral bodies
  2. ___ = lamina, pars interarticualr, etc.
  3. ___ = facets, TP, and SP
A
  1. anterior
  2. middle
  3. posterior
30
Q

What is a basic difference between the use of T1 and T2 MRI?

A

T1 = anatomy

T2 = pathology

31
Q

Spondylosis

  • ____ are positive when the injury is acute, negative in chronic conditions
A

Bone scans