Classification according to Peterson for distal femoral fractures in children. Type I, transverse fracture of the metaphysis with extension to the physis; type II, separation of the physis with a portion of metaphysis attached to the physis; type III, separation of the epiphysis from the metaphysis through any layer of the physis disrupting the complete physis; type IV, fracture of the epiphysis extending to and along the physis; type V, fracture that traverses the metaphysis, physis and epiphysis; type VI, Portion of the physis has been removed or is missing.