Skeletal Trauma 57

Question 1

C1 ring fx

Answer 1

Jefferson

Question 2

C7 spinous process fx

Answer 2

Clay shovelers fx

Question 3

Fx of post elements of C2

Answer 3

Hangman fx

Question 4

Mechanism: Severe spine flexion associated with some rotation can result in ____

Answer 4

Unilateral locked facets

Question 5

Severe flexion of the cervical spine with disruption of the posterior ligaments and anterior compression of a vertebral body. This is called a …

Answer 5

Flesion teardrop fx

Question 6

Anterior wedging of the vertebral body in the lower thoracic or upper lumbar region

Answer 6

Seatbelt Fracture

Question 7

oblique/defect in the neck of the “Scottie dog”

Answer 7

Spondylolysis

Question 8

Anterior superior vertebral body corner fx formal name

Answer 8

Anterior Wedge Compression Fracture

Question 9

If acute and left unprotected, a wedge compression fracture can proceed to delayed further collapse with resulting severe neurologic deficits.

Timeframe after initial trauma?

Answer 9

Kummel disease

1-2 weeks

Question 10

If spondylolysis is bilateral and the vertebral body in the more cephalad position slips forward on the more caudal body _______ is said to be present.

Answer 10

spondylolisthesis

Question 11

Patients with ____ are at a very high risk of spinal fractures from even relatively minor trauma.

Answer 11

Ank Spon + DISH

Question 12

Bennet fx

Answer 12

fracture at the base of the thumb into the carpometacarpal joint

Question 13

Rolando fracture

Answer 13

A comminuted fracture of the base of the thumb that extends into the joint

Question 14

pseudo-Bennett fracture

Answer 14

fracture of the base of the thumb that does not involve the joint

Question 15

Mallet finger or baseball finger

Answer 15

avulsion injury at the base of the distal phalanx, where the extensor digitorum tendon inserts

Question 16

Gamekeeper’s Thumb

Answer 16

Avulsion on the ulnar aspect of the first metacarpophalangeal joint

Question 17

Gamekeeper’s Thumb

Answer 17

Avulsion on the ulnar aspect of the first metacarpophalangeal joint

Question 18

Gamekeeper’s Thumb mechanism

Answer 18

breaking rabbits’ necks between their thumb and forefinger

Falling on a skeep pole and having the pole jam into the webbing between the thumb and the index finger

Question 19

Failure to diagnose and treat lunate dislocation can result in …

Answer 19

permanent median nerve impairment, as it can get impinged by the volarly displaced lunate.

Question 20

Most common fx assoc with perilunate dislocation

Answer 20

Transcaphoid fx

The capitate, radial styloid, and triquetrum are also known to fracture frequently when a perilunate dislocation occurs.

Question 21

A pie-shaped lunate on the AP view is diagnostic of

Answer 21

perilunate or lunate dislocation.

Question 22

A fracture of the hook of the hamate most commonly occurs from

Answer 22

fall on the outstretched hand

Question 23

Seen in professional baseball players, tennis players, and golfers. professional athlete who participates in an activity in which the butt of a club, bat, or racket is held in the palm of the hand.

Answer 23

Hook of the hamate fx

Overswinging can result in the butt of the club levering off the hook of the hamate.

Question 24

trauma with pain over the snuffbox of the wrist. Suspect:

Answer 24

Scaphoid fx

many patients now get immediate MRI to determine if a fracture is present. This has been shown to be less expensive overall than having the patient casted and reexamined in a week.

Question 25

Kienböck malacia

Answer 25

Avascular necrosis of the lunate

Question 26

negative ulnar variance, is the term used to describe colon

Answer 26

If the ulna is shorter than the radius

Question 27

positive ulnar variance, is the term used to describe colon

Answer 27

If the ulna is longer than the radius

Question 28

A small avulsion fragment is seen on the dorsum of the wrist is diagnostic for

Answer 28

an avulsion off the triquetrum

Question 29

Monteggia fracture

Answer 29

fracture of the ulna with a dislocation of the proximal radius

MUGR

Question 30

Galeazzi Fracture

Answer 30

fracture of the radius with dislocation of the distal ulna

This is less common than a Monteggia fracture

Question 31

Colles Fracture

Answer 31

fracture of the distal radius with dorsal angulation

Question 32

Smith fx

Answer 32

fracture of the distal radius with volar angulation

Question 33

An anterior dislocation occurs when the arm is

Answer 33

forcibly externally rotated and abducted

Question 34

the humeral head is seen to lie inferiorly and medial to the glenoid

Answer 34

ant shoulder dislocation

Question 35

An indentation on the posterosuperior portion of the humeral head is called a

Answer 35

Hill–Sachs deformity

humeral head often impacts on the inferior lip of the glenoid

Question 36

A bony irregularity or fragment off the inferior glenoid

Answer 36

Bankart deformity

Question 37

Shoulder: crescent sign

Answer 37

normal shoulder that the humeral head slightly overlaps the glenoid