Anterior Longitudinal Ligament/Posterior Longitudinal Ligament/Ligamentum Flavum Flashcards
What was ossification of the anterior longitudinal ligament in the lumbar region identified as?
Forestier’s Disease
What is ossification of the anterior longitudinal ligament in the lumbar region now identified as?
Diffuse Idiopathic Skeletal Hyperosotsis or DISH
WHat is hyperostosis?
a greater than necessary ossification of the bone at a site of ligament attachment
Where is ossification of the posterior longitudinal ligament most commonly identified?
the cervical spine with an incidence of 80%
What is the gender, age and ethnic bias associated with ossification of the posterior longitudinal ligament?
it is greater in males over 50 and has a higher incidence in the Japanese
What is the name given to the ligamentum flavum based on appearance and histology?
it is a yellow elastic ligament
What is the color of most ligament in the body?
they are whitish
What is the function of the ligamentum flavum?
it brakes or limits flexion of the vertebral column
What is now thought to be the major function of the ligamentum flavum
it is an early prime factor in extension of the vertebral column
Where is ossification of the ligamentum flavum most commonly identified?
the thoracic spine or thoracolumbar transition zone
