Piano Key Sign
Piano Key Sign is used to test for: Stability of the distal radioulnar joint (DRUJ) & Triangular fibrocartilage…
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What is Piano Key Sign?
- Piano Key Sign is used to test for:
- Stability of the distal radioulnar joint (DRUJ)
- Triangular fibrocartilage complex (TFCC)
How it's Performed?
- Depressing the distal ulna from dorsal to volar with the hand pronated.
What does a positive Piano Key Sign mean?
- A positive result is characterized by painful laxity in the affected wrist compared with the contralateral wrist.
- The results are usually positive in cases of DRUJ synovitis.
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