Spinal Pathology Flashcards
Most common level of injury in a C-spine hyperextension injury?
C4-5
Most common type of dens fracture
Type II
What is a hangman fracture?
Burst fracture of C2
What is the most common level for a C-spine unilateral facet dislocation
C5-6
Least to most restrictive CTO
- Soft collar
- Philadelphia collar
- SOMI
- 4-poster
- Yale
- Minerva
- Halo
What patient population do you most commonly see epidural abscess?
Diabetics and immunocompromised
Are majority of spinal cord tumors intradural or extradural?
Extradural
In a unilateral vs bilateral c-spine facet dislocation, how much vertebral body displacement is there?
Unilateral < 50%
Bilateral > 50%
Treatment of a hangman fracture
Halo vest if stable fracture
If unstable, then surgery
What is a Clay Shoveler’s fracture
Repetitive stress injury that affects spinous process of lower cervical and upper thoracic spine
Treatment of a Jefferson fracture
Halo vest if stable fracture
If unstable, then surgery
Mechanism of injury of SCIWORA in children
Traction during breech injury
What is the most common compression fracture of C-spine?
C5
What is a chance fracture
Transverse fracture through spinous process, Pedicles and vertebral body
Most common causes of nontraumatic SCI
Spinal stenosis with myelopathy
Spinal cord tumors
Mechanism of injury that causes bilateral c-spine facet joint dislocation
Flexion
Most restrictive removable CTO
Minerva brace
When is a unilateral c-spine facet dislocation considered unstable
If PLL is disrupted
Type I vs Type II vs Type III dens fracture
I = tip of dens II = base of dens III = body of C2
What is mechanism of injury that causes a unilateral c-spine facet dislocation
Cervical Flexion-rotation injury
What is a Jefferson fracture?
A burst fracture of C1
Mechanism of injury of SCIWORA in older adults
Hyperextension of neck
What part of spine most commonly has spinal metastases?
Thoracic spine