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7th Congress of the European Federation of National Associations of Orthopaedics and Traumatology, Lisbon - 4-7 June, 2005


Disorders of the pisotriquetral joint can cause ulnar sided wrist pain. This joint is not usually seen during routine wrist arthrosopy because it often has a separate joint cavity. The senior author believes that it is more commonly seen from the 6R portal if looked for, than one would expect from the assumed anatomy.

This study assessed the frequency with which the pisotriquetral joint could be observed in 36 consecutive wrist arthroscopies. The connection between the radiocarpal and the pisotriquetral joint were found to vary from a complete membrane separating the two, to no membrane at all, with variations in between. The types of connections are described. The anatomy of the connections was also studied by dissecting the wrist joints of eight fresh frozen cadavers. The findings matched the arthroscopic observations.

In more than 50% of patients, the pisotriquetral joint could be clearly visualised by arthroscopy. The technique and findings have been recorded on video and form part of the presentation.

Theses abstracts were prepared by Professor Roger Lemaire. Correspondence should be addressed to EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.