Trigger finger at the A2 pulley in children--two case reports.

Trigger fingers, especially trigger at the A2 pulley, are extremely rare. We experienced two cases of the trigger finger at the A2 pulley and treated them surgically. A flexor digitorum profundus (FDP) nodule was located at the distal entry zone of the A2 pulley in case 1; therefore, the digit could not be flexed. The FDP nodule was located at the proximal… (More)