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Table 1 Radiological classification of stability

From: ACTION trial: a prospective study on diagnostic Accuracy of 4D CT for diagnosing Instable ScaphOlunate DissociatioN

Stability SLDmin (mm) SLDmax (mm) SL ° RL °
stable < 3 < 3 <  60 > −15
instable < 3 or > 3 > 3 > 60 > −15 or < − 15
  1. SL distance = SLD, radiolunate= RL, scapholunate SL angle)