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Adolescent Blounts Disease


  • adolescent tibia vara (Blount's disease), results from disordered growth of  proximal medial physis & metaphysis;
  • localized varus deformity, often accompanied by medial tibial torsion;
  • caused by osteochondrosis resulting from mechanical stress converting physiologic bowlegs to tibia vara;
  • risk factors: common in blacks & obese children;
  • adolescent Blount's is less severe and predominately unilateral;