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Nontraumatic Extensor Pollicis Longus Snapping: Report of 2 Cases
Margaux Feltrin1, Antonio Dinh
1Hopital Privé Paul d'Egine, Champigny-sur-Marne, France.
Case:
Nontraumatic dorsal thumb snapping involving the extensor pollicis longus (EPL) is rare. We report 2 cases: a 44-year-old man with EPL snapping and metacarpophalangeal instability associated with chronic radial artery thrombosis and a 26-year-old woman with EPL snapping from extensor hood laxity. Both underwent surgery tailored to the pathology, achieving resolution of snapping and restored joint stability at 1 year.
Conclusion:
These cases emphasize the importance of individualized surgical management. Ultrasound, as an accessible and reproducible tool, supports diagnosis. Such strategies are especially relevant in young, active patients, ensuring functional recovery and long-term joint preservation.
Level Of Evidence:
Level IV.
