Distal radioulnar joint disruption: Difference between revisions
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==Background== | ==Background== | ||
*Seen | *Seen with intra-articular or distal radial shaft fractures or both bone fracture | ||
==Imaging== | ==Imaging== | ||
Revision as of 00:23, 13 July 2016
Background
- Seen with intra-articular or distal radial shaft fractures or both bone fracture
Imaging
- PA
- Narrowing and overlap of distal radioulnar joint
- Lateral
- Volar or dorsal displacement of ulna (which is usually centered/overlapping the radius)
- Requires a true lateral to avoid a false positive result
Differential Diagnosis
Distal radius fractures
- Colles' fracture
- Smith's fracture
- Barton's fracture
- Radial styloid fracture
- Distal radioulnar joint disruption
Distal radius fracture eponyms
| Eponyms | Description |
| Barton's | Fracture-dislocation of radiocarpal joint (with intra-articular fracture involving the volar or dorsal lip) |
| Chauffer's | Fracture of radial styloid |
| Colles' | Dorsally displaced, extra-articular fracture |
| Die-punch | Depressed fracture of the lunate fossa (articular surface) |
| Smith's | Volar displaced, extra-articular fracture |
Management
- Dorsal dislocation
- Immobilize wrist in supination
- Volar dislocation
- Immobilize wrist in pronation