Finger Injuries
A 45-year-old man presents after jamming his ring finger while making his bed. He has an extensor lag at the DIP joint with inability to actively extend, though passive extension is full. Radiographs show a small dorsal avulsion fracture from the base of the distal phalanx involving approximately 20% of the articular surface. The joint is concentrically reduced. The hand surgeon discusses splinting duration and the importance of continuous wear. Regarding mallet finger management:
Mark each as TRUE or FALSE
Mallet finger results from disruption of the terminal extensor tendon at its insertion on the dorsal...
Standard treatment is CONTINUOUS DIP extension splinting for 6-8 weeks (Stack, aluminium foam, or cu...
All bony mallet injuries involving more than 30% of the articular surface require immediate surgical...
Bony mallet with VOLAR SUBLUXATION of the distal phalanx (incongruent DIP joint) is the key surgical...
Untreated or chronic mallet finger can lead to swan-neck deformity (DIP flexion + PIP hyperextension...
Answer the questions to see explanations
Click T (True) or F (False) for each option