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Recurrent Trigger Finger Caused by Herniation of Flexor Digitorum Profundus through the Chiasma – A Case Report
Preview AbstractTrigger digit is a common condition which is largely idiopathic in etiology. Less frequently, it has been described secondary to anatomical variations or space occupying lesions. We describe a patient who developed a recurrent trigger finger after a surgical release of the first annular pulley. Intraoperatively, the trigger was noted to be caused by herniation of the flexor digitorum profundus (FDP) tendon into a noose formed by the two slips of the flexor digitorum superficialis tendon (FDS) and the proximal edge of the second annular pulley.
Level of Evidence: Level V (Therapeutic)