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Extra-Articular Deformity

  • Arun B. Mullaji
  • Gautam M. Shetty
Chapter

Abstract

In most total knee arthroplasties (TKAs) for arthritic knees with intra-articular varus or valgus deformity, both alignment and ligament balance can be achieved with appropriate bone cuts and soft-tissue releases. However, TKA becomes technically challenging when knee arthritis is associated with an extra-articular deformity (EAD) of either the femur or the tibia. Such deformities are commonly caused secondary to trauma (malunion or non-union), previous osteotomy, metabolic causes such as osteomalacia or osteoporosis causing excessive bowing or stress fractures and congenital causes (Fig. 8.1). Stress fracture although uncommon is a frequent cause of tibial EAD in patients with knee arthritis.

Keywords

Proximal Tibia Tibial Component High Tibial Osteotomy Mechanical Axis Corrective Osteotomy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Arun B. Mullaji
    • 1
  • Gautam M. Shetty
    • 2
  1. 1.Consultant Joint Replacement Surgeon Department of Orthopaedic SurgeryBreach Candy HospitalMumbaiIndia
  2. 2.Consultant Arthritis Care and Joint Replacement SurgeryAsian Orthopedic Institute Asian Heart Institute and Research CenterMumbaiIndia

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