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Mallet Fracture of Thumb


- Non Operative Treatment:
 - indicated for small (< 30-40%) fragment or displacement < 2 mm;
 - use mallet finger splint;

- Indications Operative Treatment:
 - fragments > 30% of joint surface or displacement > 3 mm may require ORIF;
 - volar subluxation from mallet fracture:
     - needs to be re-evaluated after application of splint across DIP joint;
     - volar frx may be associated with profundus avulsion