Abstract

LIEBENBERG, Cuan; VELLEMAN, Mark D  and  SULEMAN, Farhana E. Ulnar impaction syndrome: A case series and imaging approach. SA orthop. j. [online]. 2016, vol.15, n.2, pp.22-27. ISSN 2309-8309.  http://dx.doi.org/10.17159/2309-8309/2016/v15n2a2.

Ulnar-sided wrist pain can be attributed to many pathological processes. This can include traumatic, inflammatory or degenerative conditions. Ulnar impaction syndrome is a group of syndromes that are degenerative conditions of the wrist caused by an abnormal joint configuration or due to abnormal use. This leads to an increase in axial loading across the ulnar side of the wrist with resultant joint degeneration. The structures in the wrist concerned in this syndrome are the triangular fibrocartilage complex, the distal radio-ulnar joint and the lunate triquetral bones at their ulnar articulations. Even though a number of modalities exist to image the wrist, the options for accurately assessing ulnar impaction syndrome are limited and may be challenging. Accurate assessment of the triangular fibro-cartilage complex is essential, as it lies central in the classification of the disease.

Keywords : ulnar impaction syndrome; triangular fibrocartilage complex; wrist pain.

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