Spondylosis, Spondylolysis, Spondylolisthesis Flashcards
(36 cards)
What is the definition of spondylosis?
A vertebral condition
What is the definition of spondylolysis?
A vertebral seperation or vertebral cleavage
What is the definition of spondylolisthesis?
A vertebral slippage
What is the current limited definition of spondylosis?
A vertebral condition that is acquired or age-related
What are some of the causes of spondylolysis?
Congenital, acquired during development, the result of aging, or the result of trauma
What specific parts of vertebra are separated as a result of a pars defect?
The vertebral body, pedicle, and articular process are separated from the other articular process, lamina, and spinous process
What is the incidence of spondylosis in the general population?
A range of 2.6% to 10%
Lumbar spondylolysis has not been reported in what groups of individuals?
Fetuses, newborns, rarely in children under five years old, patients who have never walked and in non-erect species
What does lumbar spondylolysis appear to be related to?
Those species that walk erect; humans
What is the gender bias and locational bias associated with lumbar spondylolysis?
Men at L5/S1; women at L4/L5
What is the age range typically associated with lumbar spondylolysis?
10-20 year olds
What motion(s) is particularly associated with lumbar spondylolysis?
hyperextension coupled with rotation
What fills the space in a lumbar spondylolysis
fibrocartilagenous material
What types of neural function(s) have been associated with the spondylolysis ligament?
nociception, neuromodulation and autonomic function
What is the appearance of the lumbar vertebra upon oblique x-ray view?
a Scotty dog
What is the appearance of a pars defect in a lumbar vertebra upon oblique x-ray view
a collared Scotty dog
What part of a lumbar vertebra forms the neck of the Scotty dog?
The pars interarticularis below the superior articular process
In an oblique x-ray, spondylolysis below the superior articular process of a lumbar pars interarticularis is associated with what part of the Scotty dog?
The neck of the Scotty dog
What part of the lumbar vertebra forms the eye of a Scotty dog?
the pedicle
What part of a lumbar vertebra forms the nose of a Scotty dog?
The transverse process
what characteristics are associated with cervical spondylolysis?
rare, congenital, gender biased toward men, most common at C6 and linked to spondylolisthesis and spina bifida
What ethnic group is associated with a high incidence of sacral spondylolysis?
The native Alaskan (Inuit) population
Is sacral spondylolysis the result of congenital conditions, acquired conditions or an age-related conditions?
it seems to be acquired
What gender bias is associated with sacral spondylolysis?
Gender biased toward men