The radial deviation wrist position; position of the scaphoid in closer proximity to the radius |
Conversely, the ulnar deviated position pulls the scaphoid away from the radius. |
Angle is measured between a line drawn along long axis of scaphoid and the short axis of lunate perpendicular to the lunate capitate space.
- Normal: 30 - 60°
- Questionably abnormal: 60 - 80°
- Abnormal: > 80° This indicates instability of the wrist.
quoted from
Louis A. Gilula and Ileana Chesaru
Wrist - Carpal instabilityThe Radiology Assistant
The numbers are soft, but this is a guide
- VISI < 30 degrees
- Normal 30 - 60 degrees
- DISI > 60 degrees
Normal angle |
VISI |
Normal angle |
DISI |
No comments:
Post a Comment