Scapholunate instability can result in debilitating pain, dysfunction, and secondary arthritis. If treatment is required, the instability should ideally be addressed in the dynamic stage, before non-reducible non-repairable deformation occurs. Early diagnosing of instability of the scapholunate joint can be a complex task. In this study, the use of computer tomography (CT) scan is evaluatedto reveal the dynamic characteristics of the scapholunate instability. A CT-scan will be performed of the non-stressed wrist and a CT-scan under loading to potentially visualize increase of dorsal scaphoid translation, which is considered as primary cause of dorsoradial radioscaphoid pain in the early stage of scapholunate instability.
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dorsal radioscaphoid translation
Timeframe: preop assessment