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Arya Nicum Institute of Orthopaedics and Musculoskeletal Science, University College London, UK

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Harry Hothi Royal National Orthopaedic Hospital, Stanmore, UK.
Department of Mechanical Engineering, University College London, UK

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Johann Henckel Royal National Orthopaedic Hospital, Stanmore, UK.

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Anna di Laura Royal National Orthopaedic Hospital, Stanmore, UK.
Department of Mechanical Engineering, University College London, UK

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Klaus Schlueter-Brust Department of Orthopaedic Surgery, St. Franziskus Hospital Köln, Köln, Germany

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Alister Hart Institute of Orthopaedics and Musculoskeletal Science, University College London, UK
Royal National Orthopaedic Hospital, Stanmore, UK.
Cleveland Clinic London, London, UK

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( 13 ). In orthopaedics, the definition of porosity helps characterise the porous coating of an implant and is a feature that is intentional and beneficial for bone fixation ( 14 ), versus being considered an undesirable defect in the dense region (a

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Fan Wu Experimental Surgery and Regenerative Medicine, Department of Surgery, Ludwig-Maximilians-University (LMU), Munich, Germany

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Michael Nerlich Department of Trauma Surgery, University Regensburg Medical Center, Regensburg, Germany

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Denitsa Docheva Experimental Trauma Surgery, Department of Trauma Surgery, University Regensburg Medical Center, Regensburg, Germany and Department of Medical Biology, Medical University-Plovdiv, Plovdiv, Bulgaria

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Tendons basic biology Anatomy Tendons are anatomical structures connecting muscles to bones which generate transmission of forces, thereby ensuring joint movements. 1 Due to overuse or age-related degeneration, tendon injuries have

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Thomas Tampere Department of Orthopaedic Surgery, Ghent University Hospital, Ghent, Belgium

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Matthieu Ollivier Institute for Locomotion, Aix-Marseille University, St. Marguerite Hospital, Marseille, France

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Christophe Jacquet Institute for Locomotion, Aix-Marseille University, St. Marguerite Hospital, Marseille, France

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Maxime Fabre-Aubrespy Institute for Locomotion, Aix-Marseille University, St. Marguerite Hospital, Marseille, France

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Sébastien Parratte Institute for Locomotion, Aix-Marseille University, St. Marguerite Hospital, Marseille, France
Department of Orthopaedic Surgery, International Knee and Joint Centre, Abu Dhabi, UAE

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. Arthroplasty for complex knee fractures requires thorough knowledge of the basic rules of revision surgery. Choice of constraint, joint-line restoration and component rotation, bone defect filling and implant fixation follow the same principles as in TKA

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Andrea Angelini Department of Orthopedics and Orthopedic Oncology, University of Padova, Padova, Italy

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Nicolò Mosele Department of Orthopedics and Orthopedic Oncology, University of Padova, Padova, Italy

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Elisa Pagliarini Department of Orthopedics and Orthopedic Oncology, University of Padova, Padova, Italy

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Pietro Ruggieri Department of Orthopedics and Orthopedic Oncology, University of Padova, Padova, Italy

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-Stout’, ‘progressive osteolysis’, ‘phantom bone disease’, ‘disappearing bone’, ‘lymphangiogenesis’, ‘syndrome’, in different combinations and in ISI Web of Knowledge database. The search was done on literature published in the past 70 years (from 1955 to date

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Charles Rivière Clinique du Sport, Bordeaux-Mérignac, France
Personalized Arthroplasty Society, Atlanta, Georgia, USA

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William Jackson Personalized Arthroplasty Society, Atlanta, Georgia, USA
Nuffield Orthopaedic Centre, Headington, Oxford, UK

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Loïc Villet Clinique du Sport, Bordeaux-Mérignac, France
Personalized Arthroplasty Society, Atlanta, Georgia, USA

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Sivan Sivaloganathan Personalized Arthroplasty Society, Atlanta, Georgia, USA
South-West London Elective Orthopaedic Centre, Epsom, UK

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Yaron Barziv Personalized Arthroplasty Society, Atlanta, Georgia, USA
Shamir Medical Center, Zriffin, Israel

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Pascal-André Vendittoli Personalized Arthroplasty Society, Atlanta, Georgia, USA
Département de Chirurgie, Université de Montréal, Hôpital Maisonneuve-Rosemont, Montréal, Québec, Canada

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right knee anatomy was used to plan the left knee TKA. Using computer navigation, the left femoral implant was aligned with 5° of valgus and the tibial component with 2° of varus. A 10 mm lateral femoral augment was used to fill the bone defect and a

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Filippo Familiari Department of Orthopaedics and Traumatology, Villa del Sole Clinic, Italy

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Jorge Rojas Division of Shoulder Surgery, Department of Orthopaedic Surgery, The Johns Hopkins University, USA

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Mahmut Nedim Doral Department of Orthopaedics and Traumatology, Hacettepe University, Turkey

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Gazi Huri Department of Orthopaedics and Traumatology, Hacettepe University, Turkey

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Edward G. McFarland Division of Shoulder Surgery, Department of Orthopaedic Surgery, The Johns Hopkins University, USA

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loss and OA has been reported. 64 There are several classifications of glenoid bone loss that define various defects caused by OA. The most commonly used classification is that of Walch et al: 65 type A2, central bone loss; type B2, posterior

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Olga D. Savvidou First Department of Orthopedic Surgery, National and Kapodistrian University of Athens, Attikon Hospital, Athens, Greece

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Frantzeska Zampeli First Department of Orthopedic Surgery, National and Kapodistrian University of Athens, Attikon Hospital, Athens, Greece

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Panagiotis Koutsouradis Department of Orthopaedic Surgery, 417 Veterans Hospital (NIMTS), Athens, Greece

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George D. Chloros First Department of Orthopedic Surgery, National and Kapodistrian University of Athens, Attikon Hospital, Athens, Greece

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Aggelos Kaspiris Department of Trauma and Orthopaedics, Thriasio General Hospital-NHS, Athens, Greece

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Savas Sourmelis First Department of Orthopaedics, Hygeia Hospital, Athens, Greece

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Panayiotis J. Papagelopoulos First Department of Orthopedic Surgery, National and Kapodistrian University of Athens, Attikon Hospital, Athens, Greece

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appropriate management. Mechanical failure Mechanical failure may occur in up to 7–27% of patients. 10 , 18 , 19 Risk factors include poor bone quality, such as osteoporotic or osteopenic bone, complexity of the fracture and bone defects

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Lorenz Pisecky Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Linz, Austria

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Matthias Luger Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Linz, Austria

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Antonio Klasan Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Linz, Austria

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Tobias Gotterbarm Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Linz, Austria

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Matthias C. Klotz Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Linz, Austria

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Rainer Hochgatterer Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Linz, Austria

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osteoblasts with a guiding structure through the biological bone structure to bridge a fracture or osteotomy gap. In contrast to purely cancellous bone grafts for bridging defects, which primarily have to be fixed in position by conventional procedures, the

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Vinzenz Auersperg Department of Orthopaedics, Klinikum Steyr-Kirchdorf, Steyr, Austria

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Klemens Trieb Department of Orthopaedic and Trauma Surgery, Paracelsus Medical University Salzburg, Salzburg, Austria
Computed Tomography Research Group, University of Applied Sciences Upper Austria, Wels, Austria

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et al. Temporal and spatial expression of bone morphogenetic proteins in extracorporeal shock wave-promoted healing of segmental defect . Bone 2003 ; 32 : 387 – 396 . 16. Wang FS Wang CJ Chen YJ et al

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Andreas F. Mavrogenis First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Greece

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Vasilios G. Igoumenou First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Greece

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Thekla Antoniadou First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Greece

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Panayiotis D. Megaloikonomos First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Greece

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George Agrogiannis Second Department of Pathology, National and Kapodistrian University of Athens, School of Medicine, Greece

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Periklis Foukas Second Department of Pathology, National and Kapodistrian University of Athens, School of Medicine, Greece

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Sotirios G. Papageorgiou Second Department of Internal Medicine, Hematology Unit, National and Kapodistrian University of Athens, School of Medicine, Greece

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satisfactory local control and pain relief. 58 , 62 , 63 After curettage, the bone defect can be left as is or packed with acrylic bone cement or bone graft as bone void fillers. 58 Radiation therapy, chemotherapy and long-term corticosteroid therapy

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