Carpal instabilities and secondary degenerative changes due to lesions of the radiocarpal ligament complex

A. Stabler, R. G.H. Baumeister, H. Berger

Research output: Contribution to journalReview articlepeer-review

11 Scopus citations

Abstract

Rotational subluxation of the scaphoid (RSS) and ulnar translocation of the carpus (UT) result from distinct lesions of the radiocarpal ligament complex. Trauma, rheumatoid arthritis, calcium pyrophosphate dihydrate crystal deposition (CPDD) and neurologic disease can lead to this ligament defect. The radiological features are identical despite different etiologies of the ligament failure. The secondary degenerative changes in RSS develop in three stages: starting with osteoarthritis at the styloid process, then progression of the degeneration into the mid-carpal joint from central towards ulnar. This mechanism is identical in posttraumatic, inflammatory, neurogenic or CPDD related instability. In cases with rheumatoid arthritis related instability, RSS and UT can be found simultaneously. The knowledge of these radiological features can be helpful in clarifying reasons for carpal changes and in determining the time of onset of the primary ligament failure.

Original languageEnglish
Pages (from-to)289-295
Number of pages7
JournalHandchirurgie Mikrochirurgie Plastische Chirurgie
Volume22
Issue number6
StatePublished - 1990
Externally publishedYes

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