Rheumatoid arthritis

Case contributed by Dr Hani Salam
Modality: X-ray

To be added

Case Discussion

Radiographic features of rheumatoid arthritis of the hand include:

- Periarticular osteoporosis, sublaxation, dislocation and erosions.

- MCP ulnar deviation.

- BoutonniPre deformity: hyperextension of DIP, flexion of PIP.

- Swan-neck deformity: hyperextension of PIP, flexion of DIP.

- Hitchhiker's thumb.

- Telescope fingers: shortening of phalanges due to dislocations.

- Ulnar and radial styloid erosions are common.

- Wrist instability: ulnar translocation, scapholunate dissociation.

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Case Information

rID: 7612
Case created: 12th Nov 2009
Last edited: 26th Nov 2015
Inclusion in quiz mode: Included

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