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Case Report: Isolated Radial Collateral Ligament Thumb Tear in a Teenage Cheerleader Base: A Rare Injury from an
1Texas Tech University Health Sciences Center, Department of Emergency Medicine, El Paso, Texas.
Introduction:
Radial collateral ligament injuries of the thumb are rare, especially in adolescent athletes. We present a case of a 17-year-old female cheerleader who sustained a complete radial collateral ligament tear while basing during a cheerleading stunt.
Case Report:
The patient presented to the emergency department with pain in the right thumb after catching a falling flyer. Examination of the first metacarpophalangeal joint of the right thumb revealed tenderness and laxity. Radiographic imaging showed no fracture. Magnetic resonance imaging confirmed a complete radial collateral ligament tear. She underwent surgical repair with full recovery.
Conclusion:
This case highlights an uncommon thumb ligament injury in a non-traditional mechanism. Emergency physicians should consider radial collateral ligament tears in patients with metacarpophalangeal joint tenderness, even when radiographs are normal.
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