Which ulnar-sided wrist pain etiologies may be identified during exam of the pisiform?

Updated: Apr 26, 2021
  • Author: David M Lichtman, MD; Chief Editor: Harris Gellman, MD  more...
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The pisiform, ensheathed by the FCU, is seated over the anterior aspect of the triquetrum. To locate the pisiform, which is at the level of the wrist crease, palpate along the FCU distally. Pain and swelling over the pisiform and hypothenar region may indicate a subluxation, arthritis, or a fracture. With the patient's wrist relaxed, the pisiform is often mobile, and it can be palpated with ballottement over the triquetrum. In the presence of pisotriquetral arthrosis, this direct loading can cause pain and crepitation.

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