What is osteoarthritis? What type of disease is this?
Front
Osteoarthritis (DJD)
Degeneration of spine from wear and tear
lipping / spurring
Its a degenerative joint disease
Back
What is spondylolithesis? Forward displacement?
Visualized best on?
Most common sites?
Front
Spondylolithesis
forward displacement of vertebral body over lower segment
Visualize best with lateral L spine radiograph
L 5 - S1 , L4 - L5 most common sites
Back
What is a laminectomy done for?
Front
Laminectomy
Remove small piece of bone (lamina), push nerve out of way and clean out what can of herniated nucleus pulposis
Back
What is spondylolysis? Visualized best on? Where at?
Front
Spondylolysis
Congenital defect or fracture in pars interarticularis
Visualize best with oblique L spine radiograph
dog's neck breaks
Back
What HNP stand for? An injury can cause what to protrude?
Most common sites?
Front
HNP (Herniated Nucleus Pulposis)
An injury may cause the nucleus pulposis to protrude posteriorly through annulus fibrosis and press on spinal cord or nerve roots and causes lots of pain
L4 - L5, L 5 - S1 most common sites