Abstract
Pisotriquetral (PT) joint arthritis is a common cause of ulnar-sided wrist pain. Open pisiform excision is a well-established procedure and is indicated when the conservative treatment fails. Although arthroscopic visualization of the PT joint is part of the routine examination in a patient with ulnar-sided wrist pain, therapeutic arthroscopy of the PT joint is limited to one case in the literature through the standard dorsal portals. Arthroscopic pisiform excision is a novel technique described by the authors. The first aim of this procedure is pain relief maintaining wrist stability and strength. With this minimally invasive approach we believe that preserving the flexor carpi ulnaris and the PT ligament complex we maintain their biomechanical function, while at the same time, reducing scar tenderness and postoperative discomfort with better esthetic results and less recovery time. In addition to standard dorsal portals, a direct PT portal was used to have access to the PT space and as a working portal to complete the pisiform excision.
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