Figure 1: Distal radius anatomy. The fracture line between the volar medial and dorsal medial columns extends into the sigmoid notch, and thus it must also be evaluated on postreduction radiographs. Inset, columnar classification of distal radius and ulna. Reproduced with permission from Trumble et al. .Adaptations are themselves works protected by copyright. So in order to publish this adaptation, authorization must be obtained both from the owner of the copyright in the original work and from the owner of copyright in the translation or adaptation.