Madelung deformity

Case contributed by Maxime St-Amant
Diagnosis certain


Left post-traumatic wrist deformity.

Patient Data

Age: 17 years
Gender: Female

Left wrist


This is a classic Madelung deformity with :

  • elongated & dorsally subluxated ulna
  • triangularization of the lunate
  • absent sigmoid notch of the distal radius
  • volar tilt of the distal radius

Left wrist


MRI shows a partial disruption of the TFCC with ulnar edema, frequently seen in this patient because of intermittent ulnar volar subluxation.

Case Discussion



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