Imaging And Clinical Anatomy Of The Back

Question 1

Odontoid fracture : Type 1

Answer 1

Fracture of the upper part of the odontoid peg , rare and potentially unstable

Question 2

Odontoid fracture : Type 2

Answer 2

Fracture at the base of the odontoid, unstable and has a high risk of non union

Question 3

Odontoid fracture : Type 3

Answer 3

Through the odontoid and into the lateral masses of C2 , best prognosis for healing

Question 4

Hangman’s fracture

Answer 4

Fracture occurs between the pars inter-articularis
Traumatic spondylolysis of C2
Happens because of hyper extension of the head and neck (injury of spinal cord and brain stem may occur )