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Skel Rad 3- NWHSU- Injuries to Lower C Spine
Terms in this set (21)
This injury often has a MOI of hyperflexion. It can appear as DJD, and as a fracture of the anterior vertebral body margin.
vertebral body compression fracture
Some fracture fake outs can be the following:
intercalary bone, platyspondyly, normal VB apophysis
This type of fx. is comminuted and the mechanism of injury is axial compression on a neutral spine.
This comminuted fracture has the risk of neurological deficits from posteriorly projected fragments.
This area accounts for 50% of all cervical spine fractures.
posterior arch fxs.
Articular pillar fractures are often fractured by _______________ injuries. And by often I mean not often are they fractured but that is HOW they are fractured.
We need a CT to decide if there truly is a pillar fracture. T/F
T- xrays are hard, though could do tipped tube
What is a clay shoveler's fracture?
hyperflexion injury resulting in an avulsion of the spinuous processes, C7 more common than C6
What "sign" will we see on an x-ray with a spinous process fx?
double spinous sign in CT jxn
In spinous process fx. we must make sure it's not just an ununited secondary growth center. How do we do that?
The growth center is at the tip of the SP. Also, a fracture fragment will be displaced inferiorly by pull of the trapezius. A nuchal bone would lie posterior to the sp.
A transverse process fracture is ______(common/uncommon) and is secondary to a lateral flexion injury or direct blow.
What areas in the C spine are rarely fractured?
uncinate processes, pedicles, lamina
A hyperextension sprin will damage what ligament?
-ALL and potentially lig. flavum
This describes a fracture of the anterior body margin due to hyperextension. You'd rather have this than hyperflexion.
hyperextension teardrop fx.
What injury might you get if you dive in a shallow pool and hyperlfex your neck, and have a severe sprain with it too?
hyperflexion teardrip fx
In a _______(hyperflexion/hyperextension) injury the anterior VB will have decreased height.
Bilateral facets might dislocate with what MOI?
hyperflexion on a neutral spine
Unilateral facets may dislocate with what MOI?
hyperflexion on a rotated spine- pt. may have torticollis
Unilateral facet dislocation may present with what "sign" on the x-ray?
Unilateral facet dislocation:pic
Bilateral facet dislocation: pic
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