n SA Journal of Radiology - 'Terry Thomas' sign and the 'ring sign' of scapholunate instability : today's two signs
|Article Title||'Terry Thomas' sign and the 'ring sign' of scapholunate instability : today's two signs|
|Journal||SA Journal of Radiology|
|Author||A.S. Bajwa and A.K. Bajwa|
|Publication Date||Dec 2007|
Scapholunate instability (SLI) (also known as scapholunate dissociation or rotary subluxation of the scaphoid) is caused by a tear in the interosseous ligaments of the lunate, scaphoid and the capitate bone with a tear in the dorsal radiocarpal ligaments by acute dorsifexion injury or fractures of the distal radius. The patient complains of wrist pain, weakness of grip and a clicking sensation in the wrist.
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