die punch fracture
Definition A popular term for an intra-articular depression fracture of the distal radius with impaction of the dorsal aspect of the lunate fossa.
Mechanism Transverse load through the lunate
Imaging Subtle findings may be accompanied by subtle proximal displacement of the lunate, seen as a break in carpal arc I.
Depressed fragment of lunate fossa–blue arrow
Subtle fracture of radial styloid process–yellow arrow