What is the Scotty dog in spine?
The Scottie dog sign (often seen spelled Scotty but Scottie is the correct spelling) refers to the normal appearance of the lumbar spine when seen on oblique radiographic projection. On oblique views, the posterior elements of the vertebra form the figure of a Scottie dog with: the transverse process being the nose.
Which aspect of the Scottie dog is the transverse process?
The posterior elements of the vertebrae form the impression of a Scottie dog. The nose of the dog is the transverse process, the eye is the pedicle, the neck is the pars interarticularis, the front leg is the inferior articular facet, and the ear is the superior articular facet [2].
Which part of the Scotty dog is represented by the lamina?
pars interarticularis
the superior articular facet representing the ear. the pars interarticularis (the portion of the lamina that lies between the facets) equivalent to the neck of the dog.
What bony structure does the Scotty dog neck represent?
Spine Question’s
| Question | Answer |
|---|---|
| An accurately positioned oblique projection of the first through fourth lumbar vertebrae will demonstrate the classic “Scotty dog.” What bony structure does the Scotty dog’s neck represent? | Pars interarticularis |
How long does it take to recover from spondylolysis?
What is spondylolysis recovery time? The fracture should heal, like any other, in about 6–12 weeks. If you still have pain after this period despite being in a back brace to stabilize the area, then the fracture is called a delayed union (meaning slow healing).
Is spondylolysis serious?
Without treatment, spondylolysis can lead to spondylolisthesis . In this condition, the fracture causes one of the vertebrae to slip out of place. If the vertebra presses on a nerve, you may have severe pain. In some cases, people need surgery to relieve spondylolisthesis symptoms and get back to full functioning.
What is the purpose of transverse process?
The transverse processes serve as muscle attachment sites and are used as lever arms by spinal muscles. The muscles that attach to the transverse processes maintain posture and induce rotation and lateral flexion of single vertebrae and the spine as a whole.
What nerves are in the cauda equina?
The cauda equina (from Latin horse’s tail) is a bundle of spinal nerves and spinal nerve rootlets, consisting of the second through fifth lumbar nerve pairs, the first through fifth sacral nerve pairs, and the coccygeal nerve, all of which arise from the lumbar enlargement and the conus medullaris of the spinal cord.
What is Flavum?
The ligamenta flavum is a short but thick ligament that connects the laminae of adjacent vertebrae from C2 to S1 and is considered a medial ward continuation of the fact joint . It consists of 80% elastin fibers and 20% collagen fibers.
Which portion of the Scottie dog represents the pars interarticularis?
XR 105 Midterm
| Question | Answer |
|---|---|
| which portion of the scottie dog represents the pars interarticularis | the neck |
| which portion of the scottie dog represents the superior articular process? | the ear |
| which portion of the scottie dog represents the inferior articular process | the front leg |
What is spondylolysis?
Spondylolysis is a stress fracture through the pars interarticularis of the lumbar vertebrae. The pars interarticularis is a thin bone segment joining two vertebrae. It is the most likely area to be affected by repetitive stress.
What does a Scottie dog’s spine look like?
The Scottie dog sign refers to the normal appearance of the lumbar spine when seen on oblique radiographic projection. If spondylolysis is present, the pars interarticularis, or the neck of the dog, will have a defect or break. It often looks as if the dog has a collar around the neck (or decapitation for those with a bloodier imagination).
What does the Scottie Dog sign stand for?
The Scottie dog sign refers to the normal appearance of the lumbar spine when seen on oblique radiographic projection. On oblique views, the posterior elements of the vertebra form the figure of a Scottie dog with: the transverse process being the nose.
Why does my Scottie dog have a collar around his neck?
the pars interarticularis (the portion of the lamina that lies between the facets) equivalent to the neck of the dog. If spondylolysis is present, the pars interarticularis, or the neck of the dog, will have a defect or break. It often looks as if the dog has a collar around the neck (or decapitation for those with a bloodier imagination).
What does spondylolysis look like on a dog?
If spondylolysis is present, the pars interarticularis, or the neck of the dog, will have a defect or break. It often looks as if the dog has a collar around the neck (or decapitation for those with a bloodier imagination).