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The Journal of Bone & Joint Surgery British Volume
Vol. 89-B, Issue 2 | Pages 202 - 205
1 Feb 2007
Arya AP Kulshreshtha R Kakarala GK Singh R Compson JP

Disorders of the pisotriquetral joint are well recognised as the cause of pain on the ulnar side of the wrist. The joint is not usually examined during routine arthroscopy because it is assumed to have a separate joint cavity to the radiocarpal joint, although there is often a connection between the two.

We explored this connection during arthroscopy and in fresh-frozen cadaver wrists and found that in about half of the cases the pisotriquetral joint could be visualised through standard wrist portals. Four different types of connection were observed between the radiocarpal joint and the pisotriquetral joint. They ranged from a complete membrane separating the two, to no membrane at all, with various other types of connection in between.

We recommend that inspection of the pisotriquetral joint should be a part of the protocol for routine arthroscopy of the wrist.


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_I | Pages 46 - 46
1 Mar 2005
Shaikh NA Jeer PJS Compson JP
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Introduction: Corrosion and accumulation of debris within the barrel-screw interface of dynamic hip screw constructs can lead to difficulty in their dissociation during implant removal.The AO blade plate insertor/extractor can be used as a simple method of extraction.

Method: The devise is applied to the plate and has adjustable clamps that can be dialled round to an angle corresponding to the barrel-screw interface .A slap hammer is then used to dislodge the construct .


The Journal of Bone & Joint Surgery British Volume
Vol. 81-B, Issue 1 | Pages 91 - 92
1 Jan 1999
Hambidge JE Desai VV Schranz PJ Compson JP Davis TRC Barton NJ

Acute fractures of the scaphoid were randomly allocated for conservative treatment in a Colles’-type plaster cast with the wrist immobilised in either 20° flexion or 20° extension. The position of the wrist did not influence the rate of union of the fracture (89%) but when reviewed after six months the wrists which had been immobilised in flexion had a greater restriction of extension. We recommend that acute fractures of the scaphoid should be treated in a Colles’-type cast with the wrist in slight extension.


The Journal of Bone & Joint Surgery British Volume
Vol. 80-B, Issue 5 | Pages 933 - 933
1 Sep 1998
COMPSON JP


The Journal of Bone & Joint Surgery British Volume
Vol. 80-B, Issue 2 | Pages 218 - 224
1 Mar 1998
Compson JP

Various classifications of scaphoid fractures have been based on plain radiography, but there are difficulties in defining the actual fracture line without an appreciation of the three-dimensional anatomy.

Radiological fracture lines were therefore mapped on transparent methylmethacrylate models of the bone. An analysis of 91 acute fractures showed that 11 were apparently incomplete. The other 80 showed three basic anatomical patterns: transverse through the waist, oblique in the plane of the dorsal sulcus, or of the proximal pole. There was some variation and comminution in these patterns, but no distal fractures of the body were seen.

The interpretation of different radiological projections is discussed. The findings have implications for the management and the assessment of outcome.