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Table 2: Slade and Geissler classification.1717 |
|
|
Group |
|
|
I |
Scaphoid fractures with a 4-to 12-week delayed presentation for treatment |
|
II |
Fibrous union: minimal fracture line at nonunion interface; no cyst or sclerosis |
|
III |
Minimal sclerosis: ≤ 1 mm of bone resorption at nonunion interface |
|
IV |
Cystic formation and sclerosis: bone resorption of > 1 mm but < 5 mm at nonunion interface; cyst; no deformity visible on lateral radiograph |
|
V |
Deformity and/or pseudarthrosis: ≥ 5 mm of bone resorption at nonunion interface; cyst; fragment motion; deformity visible on lateral radiograph |
|
VI |
Wrist arthrosis: scaphoid nonunion with radiocarpal and/or midcarpal arthrosis |