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      Subtle radiographic findings of acute, isolated distal radioulnar joint dislocation.

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          Abstract

          Distal radioulnar dislocations typically occur in association with fractures of the distal radius and/or ulna. Rare isolated dislocations or subluxations are more difficult to diagnose and are initially missed in up to 50 % of cases. We present two cases of missed isolated volar rotatory dislocation of the distal radioulnar joint. Subtle, overlooked radiographic findings of abnormal radioulnar alignment and ulnar styloid projection are highlighted. The supplemental role of cross-sectional imaging is reviewed. Adequate clinical information, appropriate radiographic technique, and high index of suspicion are necessary for the accurate and timely diagnosis of this rare injury pattern.

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          Author and article information

          Journal
          Skeletal Radiol.
          Skeletal radiology
          Springer Nature America, Inc
          1432-2161
          0364-2348
          Sep 2016
          : 45
          : 9
          Affiliations
          [1 ] Department of Radiology, H066, Milton S. Hershey Medical Center, 500 University Drive, P.O. Box 850, Hershey, PA, 17033, USA. dduryea@hmc.psu.edu.
          [2 ] Bone and Joint Institute, Milton S. Hershey Medical Center, 30 Hope Drive, Hershey, PA, 17033, USA.
          Article
          10.1007/s00256-016-2411-x
          10.1007/s00256-016-2411-x
          27229875

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