What is the general treatment principle in these injuries?
Prompt reduction is required. Open reduction and internal fixation is frequently required.
What complications are encountered?
The carpal tunnel is distorted and compression of the median nerve is common. Long term complications of carpal instability are frequent (VISI / DISI). If fractured, the scaphoid fracture often does not unite, and thus requires operative treatment.
Capitate (C, blue) is dislocated dorsal to the lunate (L, yellow). The proximal pole of the scaphoid (PP) has remained aligned with the lunate, whereas the distal pole (DP) has followed the capitate dorsally. The lunate and the distal radius (green) remain normally aligned.