The gamekeeper's thumb is a condition characterized by the insufficiency of the ulnar collateral ligament to the thumb metacarpal. The term was coined in 1955 by Campbell, who observed it as a professional hazard amongst Scottish gamekeepers.
Hi, Welcome to icliniq.com. Your description of pain, the presence of swelling and redness and its site of maximum tenderness makes me worry about what is called the "gamekeepers thumb".
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