DescriptionAvulsion fracture of the left first metacarpal.jpg
English: Image of two radiographs of an avulsion fracture of the head of the first (thumb) metacarpal on the left hand of a 16-year-old boy, both one day and seven weeks after the injury. Injury caused by a high-force collision with a lacrosse stick. Radiographs were taken at Alexandra Hospital Emergency Department (Ingersoll, ON) and St. Joseph's Healthcare Roth McFarlane Hand and Upper Limb Clinic (London, ON).
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Captions
Avulsion fracture of the head of the first (thumb) metacarpal on the left hand of a 16-year-old boy, both one day and seven weeks after the injury.