Upper Extremities

Question 1

Fracture of the base of the first metacarpal bone; Thumb forcefully abducted

Answer 1

Bennett Fracture

Question 2

Oblique fracture of the necks of the 4th or 5th metacarpals; Distal segment displaced proximally (Shortening of the finger posteriorly)

Answer 2

Boxer’s Fracture

Question 3

Fracture exhibiting pain and tenderness localized over the anatomical snuffbox

Answer 3

Scaphoid Fracture

Question 4

Most commonly dislocated carpal bone

Answer 4

Lunate Dislocation

Question 5

Fracture: Surgical Neck

Answer 5

Axillary nerve

Posterior circumflex artery

Question 6

Fracture: Midshaft / Spiral

Answer 6

Radial nerve

Profunda brachial artery

Question 7

Fracture: Supracondylar

Answer 7

Median nerve (arm shortening on extension)

Question 8

Fracture: Medial epicondyle

Answer 8

Ulnar nerve

Question 9

Distal Radial fracture:

Colle / Dinner / Sliver Fork Deformity
Fragment dislocation?

Answer 9

Distal segment: POST and SUPERIOR

Fragment: DORSAL

Question 10

Distal Radial fracture:

Smith Fracture
Fragment dislocation?

Answer 10

Distal segment: ANTERIOR

Fragment: Ventral