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Table 1 Kim–Lippert classification of the infrapopliteal arterial branching variations

From: Free gracilis end-to-side microanastomosis to a peronea arteria magna: a case report

Type I Normal level of branching (proximal to the lower border of the popliteus muscle)
  IA The PA divides into the AT, the TPT (later divides into PT and PR)
  IB The PA trifurcates into AT, PT, and PR
  IC The PA divides into the PT, the anterior TPT (later divides into AT and PR)
Type II High division of the PA (at or above the knee joint)
  IIA The AT originates at or above the knee joint
  IIB The PT originates at or above the knee joint
  IIC The PR originates at or above the knee joint
Type III Hypoplastic or aplastic branching with altered distal supply.
  IIIA Hypoplastic/aplastic PT
  IIIB Hypoplastic/aplastic AT
  IIIC Both tibial arteries are hypoplastic/aplastic (PAM)
  1. PA popliteal artery,AT anterior tibial artery, TPT tibioperoneal trunk, PT posterior tibial artery, PR peroneal artery, PAM peronea arteria magna. Reproduced with permission, Abou-Foul and Borumandi, Microsurgery, 2016. Oxford University Press [4]