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Orthopaedics · Fractures: hook of hamate
Sample itemA golfer has ulnar-sided wrist pain after swinging, with tenderness over the hypothenar eminence and difficulty gripping. Which fracture should be suspected, and which structure is at risk?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Hook of hamate fracture with ulnar nerve branch and flexor tendon injury
The hook of the hamate is fractured by the club handle striking the palm in golf, baseball or racquet sports. It is poorly seen on routine films, so a carpal tunnel view or CT is needed. The ulnar nerve and ring and little finger flexor tendons lie adjacent.
Option by option
A. Hook of hamate fracture with ulnar nerve branch and flexor tendon injury (correct)
Correct. Hook of hamate injuries threaten the adjacent ulnar nerve and flexors.
B. Capitate fracture with radial nerve injury
The capitate and radial nerve are not typically involved in this mechanism.
C. Pisiform fracture with median nerve injury
Pisiform fracture is rare and relates to the ulnar side, not the median nerve.
D. Trapezium fracture with posterior interosseous nerve injury
Trapezium fracture does not match the hypothenar tenderness.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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