Pediatric Trigger Thumb

Abstract

HE PATIENT 13-month-old, otherwise healthy boy presents for valuation of a “crooked thumb.” His family denies any istory of trauma, laceration, or known injury. For the ast 3 months, they have noted difficulties with thumb nterphalangeal (IP) joint extension and occasional clicking and popping.” Recently, the thumb has reained flexed, with inability to spontaneously extend he IP joint. On examination, there is a palpable volar odule at the level of the thumb metacarpophalangeal oint. While there is intact function of the extensor ollicis longus, extensor pollicis brevis, and flexor policis longus, the IP joint cannot be passively extended. he diagnosis of a “trigger thumb” is made. No treatent has been initiated, and the patient now presents for he first hand surgery consultation.