Spine

Question 1

What is Jefferson’s fracture?

Answer 1

Burst Fracture of C1

Question 2

Describe hangman’s fracture

Answer 2

A fracture which involves the pars interarticularis of C2 on both sides, and is a result of hyperextension and distraction.

Question 3

Describe a flexion tear drop #

Answer 3

C5-6 fracture of anterior inferior vertebral body.

Severe. unstable. can cause anterior cord syndrome and quadriplegia.

Flexion and compression at C5-6
e.g. diving head first, motor vehicle collision deceleration

Question 4

Describe extension tear drop fracture

Answer 4

C2 anterior inferior vertebral body avulsion.

Stable in flexion, unstable in extension (anterior longitudinal ligament disrupted)