Radiologic Exam of Thoracic and Lumbar Spine Flashcards
Spondylosis
- Pars interarticualrs affected by:
- ____ defect
- _____
- ___, common with associated repetitive loading with OH lifting
- Congenital defect
- degeneration
- Trauma
Which image views are used for radiologic assessment of thoracic scoliosis?
- Erect ___
- Erect ____
- Erect ___ ____, R and L
- Erect AP
- Erect lateral
- Erect AP Side-bending
MRI protocol for thoracic and lumbar spine includes which 3 image planes?
- Axial
- Sagittal
- Coronal (rarely)
The image is what type of image and which plane of view for the lumbar spine?
Sagittal MRI Lumbar spine
Which view of the lumbar spine assesses the following:
- image of a scotty dog assures well vascularizied articulating processes, joints, and pars interarticularis
R and L Oblique
Younger or Older: which age group has the following age-related fracture presentation:
- dehydrated discs and demineralized bone results in wedge deformity
Older
The image is what type of image and which plane of view for the lumbar spine?
Axial plane CT lumbar spine
Which view of the lumbar spine assesses the following:
- ABCs
- Vertebral bodies and disc spaces
- Intervertebral foramina => 3 lines
Lumbar Lateral
Thoracic or Lumbar spine?
- Osteoporosis
- Scoliosis
- Osteomyelitis (tuberculous)
- Scheurmann’s Disease
- Ankylosing spondylitis
Thoracic spine - abnormal conditions
The following are signs and symptoms of which thoracic abnormal condition:
- increased kyphosis
- impaired ambulation
- compromised visceral volume
- compensatory changes above/below
- pain
Thoracic compression fractures
The image is what plane view and type of image for the thoracic spine?
Axial MRI thoracic spine
When discussing spinal instability, the number of columns affected translates to the following:
- 1 Column = ____
- 2 Columns = ____
- 3 columns = _____
- 1 column = stable
- 2 columns = depends
- 3 columns = unstable
Image is a sagittal CT of the thoracic spine - unstable fracture invovling all 3 columns
Which view of the thoracic spine assesses the following:
- ABCs
- Vertebral Bodies
- Disc Spaces
- Intervertebral Foramen
- 3 parallel lines
Lateral
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
Thoracic: Scoliosis
Thoracic or lumbar spine?
- DDD
- DJD
- Spondylosis
Lumbar spine - degeneration
What is one of the most common spinal injuries found in imaging for all age groups?
Anterior body compression fracture
Common injuries: lumbar spine MOI
- ____ and axial compression (e.g. MVAs or falls)
- Forces mediated through ____ can travel up kinetic chain to spine
- hyperflexion and axial compression
- Forces mediated thorugh lower extremities can travel up kinetic chain to spine
The image is what type of image and which plane of view for the lumbar spine?
Axial MRI lumbar spine
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
Thoracic FOV
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
Younger
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
L5-S1 Lateral
Which view of the thoracic spine assesses the following:
- ABCs
- Vertebral Body Alignment
- Pedicles equidistant
- Spinous process at thoracic intervals
- Rib joints
AP
Mechanisms for compression fracture:
- ___ (90%)
- Younger adults = ____ and ____
- Older adults = _____ loss
- Flexion
- MVA and flass
- bone density loss
The image is what plane view and type of image for the thoracic spine?
Sagittal MRI thoracic spine
The image is what plane view and type of image for the thoracic spine?
Axial Plane CT thoracic spine
Which type of imaging is best for spondylosis?
SPECT (nuclear imaging)
- MRI, CT limited due to technical difficulties
Thoracic or Lumbar: which FOV for CT is described by the following:
- T12-SIJ, transverse processes, and AP of vertebral body
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
AP
When discussing spinal stability, there are 3 columns considered:
- ___ = discs and vertebral bodies
- ___ = lamina, pars interarticualr, etc.
- ___ = facets, TP, and SP
- anterior
- middle
- posterior
What is a basic difference between the use of T1 and T2 MRI?
T1 = anatomy
T2 = pathology
Spondylosis
- ____ are positive when the injury is acute, negative in chronic conditions
Bone scans
