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Christoph H. Lohmann Department of Orthopeadic Surgery, Otto-von-Guericke University, Leipziger Str. 44,39120 Magdeburg, Germany

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Sanjiv Rampal Department of Orthopeadic Surgery, Otto-von-Guericke University, Leipziger Str. 44,39120 Magdeburg, Germany

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Martin Lohrengel Department of Orthopeadic Surgery, Otto-von-Guericke University, Leipziger Str. 44,39120 Magdeburg, Germany

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Gurpal Singh Division of Musculoskeletal Oncology, University Orthopaedics Hand and Reconstructive Microsurgery Cluster, National University Health System, 1E Kent Ridge Road, 119228 Singapore

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failure mechanisms in order to prevent it from happening again. Implant type, position and stability need to be determined and any defects in the bone and soft tissue should be noted. It goes without saying that detected abnormalities based on imaging

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Javier Masquijo Department of Pediatric Orthopaedics, Sanatorio Allende, Córdoba, Argentina

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Alpesh Kothari Department of Paediatric Orthopaedics, Oxford University Hospitals NHS Foundation Trust, Oxford, UK

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aspect of the medial femoral condyle. The goals of treatment are to promote healing of the subchondral bone and prevent chondral collapse, subsequent fracture, osteochondral defect formation and early joint degeneration. Treatment modality depends on the

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Daniel Kotrych Department of Orthopedics, Traumatology and Orthopedic Oncology, Pomeranian Medical University, Szczecin, Poland

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

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Andrzej Bohatyrewicz Department of Orthopedics, Traumatology and Orthopedic Oncology, Pomeranian Medical University, Szczecin, Poland

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

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individual patient's anatomical bone structures that can be used intraoperatively to allow safe resection and reconstruction of the bone defect ( 39 ). The modeling is based on a high-resolution CT scan, converting the imaging data (Digital Imaging and

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Bedri Karaismailoglu Ayancik State Hospital, Department of Orthopaedics and Traumatology, Sinop, Turkey

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Mehmet Fatih Guven Istanbul University – Cerrahpasa, Cerrahpasa Medical Faculty, Department of Orthopaedics and Traumatology, Istanbul, Turkey

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Mert Erenler Istanbul University – Cerrahpasa, Cerrahpasa Medical Faculty, Department of Orthopaedics and Traumatology, Istanbul, Turkey

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Huseyin Botanlioglu Istanbul University – Cerrahpasa, Cerrahpasa Medical Faculty, Department of Orthopaedics and Traumatology, Istanbul, Turkey

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used treatment methods are conventional bone grafting, with or without internal fixation, and pedicled or free vascularized bone grafting. Conventional bone grafting is the most preferred method, but due to the limited osteogenic potential of non

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Stefan Bauer Ensemble hospitalier de la Côte, Chirurgie de l’épaule, Chemin du Crêt 2, Morges, Vaud, Switzerland
The University of Western Australia, Perth, Australia

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Phillipe Collin CHP Saint-Gregoire, 6 Boulevard de la Boutière 35760 Saint-Grégoire, France
Clinique Victor Hugo, 5 Bis rue du Dôme 75016 Paris, France
American Hospital of Paris, 55 Boulevard du Château, 92200 Neuilly-sur-Seine, France

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Matthias A Zumstein Shoulder, Elbow and Orthopaedic Sports Medicine, Sonnenhof Orthopaedics, Bern, Switzerland
Shoulder, Elbow Unit, Sportsclinicnumber1, Papiermuehlestrasse 73, 3014 Bern, Switzerland
Shoulder, Elbow and Orthopaedic Sports Medicine, Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, Bern, Switzerland

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Lionel Neyton Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France

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William G Blakeney The University of Western Australia, Perth, Australia
Royal Perth Hospital, Perth, Australia

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1998, a clinical study by Bigliani et al . classified glenoid rim lesions. They recommended that bone defects involving greater than 25% of the glenoid width required a coracoid transfer, with anything smaller having a soft tissue procedure ( 34

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

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Alberto Procura Department of Orthopedics and Orthopedic Oncology, University of Padova, Padova, Italy

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Giulia Trovarelli Department of Orthopedics and Orthopedic Oncology, University of Padova, Padova, Italy

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Antonio Berizzi 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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. ( https://doi.org/10.1007/s00590-008-0343-4 ) 17. Streitbürger A Hardes J Nottrott M Guder WK . Reconstruction survival of segmental megaendoprostheses: a retrospective analysis of 28 patients treated for intercalary bone defects after

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Olga Savvidou First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
These authors contributed equally to this manuscript

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Olympia Papakonstantinou Second Department of Radiology, National and Kapodistrian University of Athens, Medical School, Attikon University General Hospital, Athens, Greece
These authors contributed equally to this manuscript

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Eleftheria Lakiotaki First Department of Pathology, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
These authors contributed equally to this manuscript

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Ioannis Zafeiris First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece

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Dimitra Melissaridou First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece

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Pinelopi Korkolopoulou First Department of Pathology, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
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Panayiotis J. Papagelopoulos First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
Co-senior authors

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resection for treating PAO was first described by Campanacci et al, 36 creating a unicortical window with wide margin. The defect is reconstructed using either bone cement, autograft such as fibular autograft, allograft or pasteurized

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Ozgur Basal Agri State Hospital, Turkey

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Recep Dincer Erzurum Training and Research Hospital, Turkey

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Bulent Turk Kahta State Hospital, Turkey

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according to the size of the defect in isolated RHL cases. Closed reduction (with or without pin fixation), open reduction, open reduction and internal fixation (ORIF), ORIF + bone grafting and hemiarthroplasty are the preferred methods in the treatment of

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Pierre-Louis Docquier Cliniques universitaires Saint-Luc, Brussels, Belgium

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Laurent Paul 3D Side, Belgium

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Khanh TranDuy 3D Side, Belgium

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recurrence, in cases of inadequate margin excision. 30 To achieve local control of the disease and improve oncological results, wide resection margins are mandatory. This wide surgical excision results in a large residual bone defect that needs

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Abdel Rahim Elniel Leeds Teaching Hospitals Trust, UK

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Peter V. Giannoudis Academic Department of Trauma and Orthopaedics, Leeds Teaching Hospitals, University of Leeds, UK; NIHR Leeds Biomedical Research Unit, Chapel Allerton Hospital, UK

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Epidemiology Open fractures of the tibia are the most common open long bone fractures, with an annual incidence of 3.4 per 100 000. 1 , 2 The mean age of those who sustain open tibial fractures is 43.3 years, most frequently occurring in

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