Lumbar Trauma

Question 1

Seatbelt injuries are also called ____

Answer 1

Chance fracture

Question 2

Approximately __% of chance fractures are associated w/injuries to the abdominal organs

Answer 2

15

Question 3

Vertebral body edge separations produced by herniation of the nucleus pulposus between the ring apophysis and the vertebral body

Answer 3

Limbus bones

Question 4

Herniation of nucleus pulposis into vertebral body (normally there is multiple)

Answer 4

Schmorl’s nodes

Question 5

These are produced typically by one traumatic episode. The vertebral body will be increased in its anterior to posterior dimension compared to adjacent vertebrae. Think schmorl’s nodes

Answer 5

Giant anterior schmorl’s nodes

Question 6

These must be differentially diagnosed from Oppenheimer’s ossicles. The MOI is twisting, they usually involve the inferior articular process

Answer 6

Articular pillar (process) fractures

Question 7

These fractures may be due to a direct blow or avulsive injury. Most common at L3. Associated injuries include hematoma in abdominal muscles and kidney or uteteral injuries

Answer 7

Transverse process fx

Question 8

Most of these are stress related fractures. Acute ones are usually due to jumping injuries.

Answer 8

Pars fractures