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Table 1 Vancouver classification

From: Periprosthetic proximal femoral fractures in cemented and uncemented stems according to Vancouver classification: observation of a new fracture pattern

Vancouver classificationA: fractures of the trochanteric region; stem stableB: fractures around or just distal to the stemC: fractures well distal to the stem; stem stable
SubtypesAG: fracture of the greater trochanterB1: stem stable 
  B2: stem loose, good bone stock 
 AL: fracture of the lesser trochanterB3: stem loose, poor bone stock