Ankle, Foot, Upper Extremity Trauma

Question 1

Fracture of the proximal fibula secondary to ankle sprain or fx

Answer 1

Maissoneuve fx

Question 2

A fracture/dislocation through the talonavicular and calcaneocuboid articulations

Answer 2

Chopart’s fx/dislocation

Question 3

A fracture/dislocation through the tarsometatarsal joint. MOI is forced plantarflexion. It is a rupture of the oblique ligament running from 1st cuneiform to base of second metatarsal

Answer 3

Lisfranc fx/dislocation

Question 4

Fracture through the proximal diaphysis or metaphysis of the 5th metatarsal. AKA Dancer’s fx

Answer 4

Jone’s fracture

Question 5

MOI is abrupt pull of fibularis brevis muscle. The normal apophysis at the base of the 5th metatarsal runs parallel to the shaft

Answer 5

Avulsion of fifth metatarsal base

Question 6

Flattening and irregularity of the metatarsal head on radiographs. Most common at the second metatarsal and occurs more often in women

Answer 6

Osteonecrosis

Question 7

Impaction fx of the humeral head. Associated w/anterior shoulder dislocation

Answer 7

Hill-Sachs deformity

Question 8

Fx of the glenoid (labral or bony injury). Associated w/anterior shoulder dislocation

Answer 8

Bankart lesion

Question 9

Avulsion of the greater tuberosity, associated w/anterior shoulder dislocation

Answer 9

Flap fracture

Question 10

Posterior shoulder dislocations only account for __ to __% of all shoulder dislocations

Answer 10

2-4%

Question 11

This occurs secondary to direct trauma or repetitive stress. Resorption of the distal 1-3mm of the clavicle 2-3 months post trauma. Condition is self-limiting

Answer 11

Post-traumatic osteolysis of the distal clavicle

Question 12

Fracture of the proximal ulna w/dislocation of the radial head. In adults this injury usually requires surgery

Answer 12

Monteggia fracture/dislocation

Question 13

Fracture of the radius w/dislocation of the distal ulna

Answer 13

Galleazi fx/dislocation

Question 14

Fracture of the distal radial metaphysis w/dorsal angulation. Seen more often in older patients

Answer 14

Colles fx

Question 15

Fracture of the distal radial metaphysis with PALMER angulation

Answer 15

Smith’s fx

Question 16

The most commonly fractures carpal bone is?

Answer 16

Scaphoid

Question 17

Second most common carpal fracture?

Answer 17

Triquetral bone

Question 18

Triquetral fractures are best seen on a ____ view of the wrist

Answer 18

Lateral

Question 19

The articulation space between the scaphoid and lunate should be approximately __ to __mm

Answer 19

2-3mm

Question 20

A larger than normal space between the scaphoid and lunate is called _____

Answer 20

Scapho-lunate dissociation

Question 21

The “Terry Thomas” sign indicates what?

Answer 21

Scapho-lunate dissociation