Skeletal Trauma 57 Flashcards
C1 ring fx
Jefferson
C7 spinous process fx
Clay shovelers fx
Fx of post elements of C2
Hangman fx
Mechanism: Severe spine flexion associated with some rotation can result in ____
Unilateral locked facets
Severe flexion of the cervical spine with disruption of the posterior ligaments and anterior compression of a vertebral body. This is called a …
Flesion teardrop fx
Anterior wedging of the vertebral body in the lower thoracic or upper lumbar region
Seatbelt Fracture
oblique/defect in the neck of the “Scottie dog”
Spondylolysis
Anterior superior vertebral body corner fx formal name
Anterior Wedge Compression Fracture
If acute and left unprotected, a wedge compression fracture can proceed to delayed further collapse with resulting severe neurologic deficits.
Timeframe after initial trauma?
Kummel disease
1-2 weeks
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.
spondylolisthesis
Patients with ____ are at a very high risk of spinal fractures from even relatively minor trauma.
Ank Spon + DISH
Bennet fx
fracture at the base of the thumb into the carpometacarpal joint
Rolando fracture
A comminuted fracture of the base of the thumb that extends into the joint
pseudo-Bennett fracture
fracture of the base of the thumb that does not involve the joint
Mallet finger or baseball finger
avulsion injury at the base of the distal phalanx, where the extensor digitorum tendon inserts
Gamekeeper’s Thumb
Avulsion on the ulnar aspect of the first metacarpophalangeal joint
Gamekeeper’s Thumb
Avulsion on the ulnar aspect of the first metacarpophalangeal joint
Gamekeeper’s Thumb mechanism
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
Failure to diagnose and treat lunate dislocation can result in …
permanent median nerve impairment, as it can get impinged by the volarly displaced lunate.
Most common fx assoc with perilunate dislocation
Transcaphoid fx
The capitate, radial styloid, and triquetrum are also known to fracture frequently when a perilunate dislocation occurs.
A pie-shaped lunate on the AP view is diagnostic of
perilunate or lunate dislocation.
A fracture of the hook of the hamate most commonly occurs from
fall on the outstretched hand
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.
Hook of the hamate fx
Overswinging can result in the butt of the club levering off the hook of the hamate.
trauma with pain over the snuffbox of the wrist. Suspect:
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.