Focuses on basic science, personal surgical experience, clinical functional and radiographic outcomes of primary TKA with special focus on challenging knees such as severe varus and valgus deformities with associated bone defects, fixed flexion deformities, soft tissue contractures, and arthrodesed knees. The issue of patella treatment with or without resurfacing is addressed intensively. This book will be useful for practicing knee replacement surgeons, orthopaedic surgeons in training, orthopeadic nurses, and physiotherapists with a special interest in knee arthroplasy.