Educational video describing classifications of tibial plafondankle fractures Ruedi - allgower & AO/OTA classification
Ruedi-Allgower classification
Type I
•no significant articular incongruity.
•Cleavage fracture with no displacement of fractured fragments.
Type II
•Significant articular incongruity
•Minimal comminution or impaction
Type III
•Significant articular comminution and metaphyseal impaction.
AO/OTA classification
A –extra-articular
•A1 metaphyseal simple
•A2 metaphyseal wedge
•A3 metaphyseal complex
B-partial articular
•B1 pure split
•B2 split depression
•B3 multi-fragmentary depression
C-complete articular
•C1 articular simple, metaphysis simple
•C2 articualr simple, metaphysis multi-fragmentry.
•C3 articular multifragmentry, metaphysis multifragmentary. The worse prognosis

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