Table III.
The associated findings on MRI.
| Injury group | Associated fractures | Associated contusions | Associated effusions/ligaments |
|---|---|---|---|
| Distal radial fracture (23) | Distal ulna (1), capitate (1), scaphoid (1), base of metacarpal (1) | Base of metacarpal (2), lunate (1), capitate (2), trapezium (1), scaphoid (1) | SL partial (1), TFC (1), distal radioulnar effusion (2), radiocarpal effusion (4) |
| Scaphoid fracture (27) | Capitate (1), distal radius (1), metacarpal base (1) | Lunate (5), capitate (6), triquetrum (1), hamate (1), trapezium (1), trapezoid (1) | TFC (2), midcarpal effusion (3), radiocarpal effusion (6), SL complete (1), SL partial (2), STT effusion (3), dorsal intercarpal (1) |
| Scaphoid contusion (13) | Capitate (1), distal radius (1), triquetrum (1) | Lunate (2), capitate (1), trapezoid (1), trapezium (2) | SL partial (3), STT effusion (2), dorsal intercarpal (2), radiocarpal effusion (3), TFC (1), midcarpal effusion (1) |
| SL partial tears (9) | Distal radius and ulna (1), triquetrum (1), scaphoid (2) | Scaphoid (2), lunate (3), capitate (1), trapezoid (2), triquetrum (1) | LT (1), dorsal intercarpal (1), STT effusion (1) |
| Triquetral avulsion fractures (6) | None | Trapezium (1), hamate (1), scaphoid (1) | SL partial (1), LT (1), dorsal intercarpal, thumb CMCJ effusion (1), radioulnar (1), radiocarpal (1) |
| SL complete (2) | Scaphoid (1) | Lunate (1), capitate (1) | Radiocarpal effusion (2) |
CMCJ, carpometacarpal joint; LT, lunotriquetral; SL, scapholunate; STT, scaphotrapeziotrapezoid; TFC, triangular fibrocartilage complex.