"type A: acute stable fracture"
"A1: fracture of the tubercle"
"A2: undisplaced waist fracture"
"type B: acute unstable fracture"
"B1: oblique fracture of the distal third"
"B2: displaced or unstable fracture of the waist"
"B3: proximal pole fracture"
"B4: fracture-dislocation of the carpus"
"B5: comminuted fracture"
"type D: non-union"
"D1: fibrous non-union"
"D2: sclerotic non-union (pseudoarthrosis)"
"type A: acute stable fracture"
"A1: fracture of the tubercle"
"A2: undisplaced waist fracture"
"type B: acute unstable fracture"
"B1: oblique fracture of the distal third"
"B2: displaced or unstable fracture of the waist"
"B3: proximal pole fracture"
"B4: fracture-dislocation of the carpus"
"B5: comminuted fracture"
"type C: delayed union"
"type D: non-union"
"D1: fibrous non-union"
"D2: sclerotic non-union (pseudoarthrosis)"