Fracture of the distal forearm (ASIF)

ASIF classification of distal forearm fractures
A Extra-articular metaphyseal fracture A1 Isolated Distal Ulna
A2 Simple Radial Fracture
A3 Radial Fracture with metaphyseal impaction
B Intra-articular rim fracture
(One cortex intact)
B1 Radial Styloid (Chauffeurs)
B2 Dorsal rim (Dorsal Barton)
B3 Volar rim (Volar Barton)
C Complex Intra-articular
(epiphysis and metaphysis involved)
C1 Radiocarpal joint congruity preserved
C2 Articular displacement
C3 Diaphyseal-metaphyseal involvement

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