PARS INTERATICULARIS DEFECT Flashcards
1
Q
What is a Pars interarticularis defect ?
A
This is a bony defect affecting the pars interarticularis.
2
Q
How does Pars interarticularis occur ?
A
Thought to be a type of stress fracture occurring from repetitive microtrauma or high energy trauma causing hyperextension.
3
Q
Where do the majority of pars defect usually occur ?
A
At L5.
4
Q
What is the risk of a pars defect ?
A
There is a risk of Spondylolisthesis.
5
Q
Where is the Pars Interarticularis ?
A
This is a narrow strip of bone connecting the superior and inferior articulating facets.
