Thoracic/Lumbar Spine Flashcards
1
Q
Sheuermann’s disease
A
- AVN or steroid use
- Involves inferior and superior end plates
2
Q
Thoracic Kyphosis
A
- Draw right angles on T1 and T12 (superior end plate T1 and inferior endplate T12_
- Normal range
o 7-40ª adult males
o 30-56ª Older males
o 13-48º adult female
o 32-66º older female
3
Q
Common Trauma with T spine
A
- MVA or OP
4
Q
Hyperflexion Thoracic
A
compression burst fractures w/ bony fragments into spinal canal
5
Q
Lumbar Acute injury + Red Flags
A
- X rays not recommended for acute LBP w/in first month of symptoms
- Red Flags
o Recent significant trauma
o Mild trauma (age 50 or greater)
o Patient over 70
o History of prolonged steroid use or OP
6
Q
Lumbar chronic injury
A
- Conditions beyond 4-6 weeks of conservative intervention
- Oblique views for spondylothesis or spondylolysis
7
Q
Spondylolisthesis
A
= inverted napoleons hat sign
- Spinous process or step off sign
8
Q
Oblique L spine projection
A
- Scottie Dog
o Interarticuarlis fx = neck of dog
o Posterior translation of body/tail of dog = spinous process
9
Q
Anterior Column Thoracolumbar spine
A
- Ant 2/3 of vertebral bodies and AF, ALL
- Usually stable disruptions
- WEDGE Fx
10
Q
Middle Column Thoracolumbar spine
A
- Posterior 1/3 vertebral bodies AF PLL
- Potentially unstable
- Compression/Burst Fx
11
Q
Posterior column
A
- Post Arch, facet joints, capsule, post lig complex, lig flavum
- Unstable
- Fx pars articularis (spondylosis) bilateral subluxation (spondylolisthesis)
12
Q
Wedge compression Fx
A
- Anterior column Compression (compression forces – anterior or lateral flexion)
- Loss of disc height
13
Q
Compression Burst Fx
A
- Failure of anterior and middle column from compression
- CT or MRI are essential
14
Q
Chance Fx
A
- Flexion distraction injury of L1-2
- Seat Belt Fx for rear passenger
- Horizontal Fx splitting spinous process, lamina, pedicles and vertebral body
15
Q
Spondylosis
A
pars interarticularis w.o separation