Finger Deformities
A 52-year-old woman with rheumatoid arthritis presents with progressive finger deformity. Examination shows PIP hyperextension and DIP flexion of the ring finger. The PIP can be passively flexed but requires initiating flexion - once started, she can flex through the full range. The finger "snaps" when flexing. Radiographs show no significant joint destruction. Regarding swan neck deformity:
Mark each as TRUE or FALSE
Swan neck deformity consists of PIP hyperextension and DIP flexion; pathomechanics begin with PIP vo...
Nalebuff classification: Type I (PIP flexible in all positions), Type II (PIP flexibility limited by...
Swan neck deformity shows PIP flexion and DIP hyperextension (same as boutonniere); the lateral band...
Treatment is based on Nalebuff type: Type I (flexible) - silver ring splint limiting PIP extension, ...
FDS tenodesis works by using a slip of the intact FDS as a checkrein to prevent PIP hyperextension b...
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Click T (True) or F (False) for each option