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Luciano A. Rossi Hospital Italiano de Buenos Aires, Buenos Aires City, Argentina

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Ignacio Tanoira Hospital Italiano de Buenos Aires, Buenos Aires City, Argentina

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Franco Luis De Cicco Hospital Italiano de Buenos Aires, Buenos Aires City, Argentina

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Maximiliano Ranalletta Hospital Italiano de Buenos Aires, Buenos Aires City, Argentina

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theory, a larger graft to be used since it uses the wider, inferior surface of the coracoid process for the reconstruction. As a result, it would be possible to reconstruct larger bone defects as well as provide a more significant bone-blocking effect

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Mohamed G. Morsy El-Hadara Orthopaedic and Traumatology Hospital, Alexandria University, Egypt

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described the concept of “significant bone loss” that brings about the failure of arthroscopic Bankart repair. They emphasised this important risk factor related to recurrent instability — the significant bone defect of the humeral head that engages with the

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Giovanni Di Giacomo Concordia Hospital for Special Surgery Rome, Italy

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Luigi Piscitelli Concordia Hospital for Special Surgery Rome, Italy

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Mattia Pugliese Università degli Studi di Roma La Sapienza, Dipartimento di Medicina Sperimentale, Trauma and Orthopaedics, Rome, Italy

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further dislocation, hence the HSL ‘engages’ the anterior glenoid defect and dislocates the humeral head from the socket. 58 Therefore, HSL and glenoid bone deficits must be considered together. In the setting of anterior instability, it is important

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Nuri Aydin Istanbul University - Cerrahpasa, Cerrahpasa Medical Faculty, Orthopaedics and Traumatology Department, Istanbul, Turkey

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Mahmut Enes Kayaalp Istanbul University - Cerrahpasa, Cerrahpasa Medical Faculty, Orthopaedics and Traumatology Department, Istanbul, Turkey

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Mustafa Asansu Baltalimani Bone Diseases Training and Research Hospital, Orthopaedics and Traumatology Department, Istanbul, Turkey

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Bedri Karaismailoglu Istanbul University - Cerrahpasa, Cerrahpasa Medical Faculty, Orthopaedics and Traumatology Department, Istanbul, Turkey

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establish the diagnosis and analyse the bone defects. Posterior or reverse Bankart lesion and posterior labrocapsular periosteal sleeve avulsion (POLPSA lesion) are associated injuries, which are easily recognized by MRI. Treatment Once the diagnosis

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Sakae Tanaka Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, Tokyo, Japan

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critical socioeconomic problem. According to the US National Institutes of Health (NIH) consensus statement, osteoporosis is defined as a skeletal disorder characterized by compromised bone strength predisposing to an increased risk of fracture. 3

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Marta Salom Department of Pediatric Orthopedic, La Fe University and Polytechnique Hospital, Valencia, Spain

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Inês Balacó Department of Pediatric Orthopedic, Hospital Pediátrico de Coimbra, Unidade Local de Saúde de Coimbra, Portugal

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corresponding to the least aggressive lesions such as fibrous cortical defect and non-ossifying fibroma ( Fig. 6A ). Figure 6 Patterns of bone destruction described by Lodwick. Type I Geographic. (A) Type IA, radiograph of a non-ossifying fibroma with

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Simon Donell University of East Anglia, Faculty of Medicine and Health Sciences - Norwich Medical School, UK

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subchondral plate is seen macroscopically as a chondral defect. Breeching of the subchondral plate coupled with the chondral damage allows the movement of fluid, cells and molecules between the bone and the joint cavity. Mechanical forces can also affect and

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Catalin Cirstoiu Orthopedics and Traumatology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Orthopedics and Traumatology Department, University Emergency Hospital Bucharest, Bucharest, Romania

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Bogdan Cretu Orthopedics and Traumatology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Orthopedics and Traumatology Department, University Emergency Hospital Bucharest, Bucharest, Romania

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Sergiu Iordache Orthopedics and Traumatology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Orthopedics and Traumatology Department, University Emergency Hospital Bucharest, Bucharest, Romania

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Mihnea Popa Orthopedics and Traumatology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Orthopedics and Traumatology Department, University Emergency Hospital Bucharest, Bucharest, Romania

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Bogdan Serban Orthopedics and Traumatology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Orthopedics and Traumatology Department, University Emergency Hospital Bucharest, Bucharest, Romania

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Adrian Cursaru Orthopedics and Traumatology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Orthopedics and Traumatology Department, University Emergency Hospital Bucharest, Bucharest, Romania

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biomechanical forces of the fracture while substituting the bone defect will lead to degradation of the assembly or peri-implant fractures ( Fig. 4 ). The use of adjuvant chemotherapy and radiotherapy for osteolytic defects secondary to metastasis will certainly

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Olga D. Savvidou First Department of Orthopaedic 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 Orthopaedic Surgery, National and Kapodistrian University of Athens, ‘ATTIKON’ Hospital, Athens, Greece

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Ioannis Papanastasiou First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, ‘ATTIKON’ Hospital, Athens, Greece

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Thomas Sarlikiotis First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, ‘ATTIKON’ Hospital, Athens, Greece

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Aggelos Kaspiris Laboratory of Molecular Pharmacology/ Sector for Bone Research, School of Health Sciences, University of Patras, Patras, Greece

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Panayiotis J. Papagelopoulos First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, ‘ATTIKON’ Hospital, Athens, Greece

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. J Bone Joint Surg Am 1988 ; 70 : 555 – 564 . 79. Funovics PT Schuh R Adams SB Jr Sabeti-Aschraf M Dominkus M Kotz RI . Modular prosthetic reconstruction of major bone defects of the

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Maria-Pau Ginebra Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgical Engineering, Universitat Politècnica de Catalunya (UPC), Spain

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Montserrat Espanol Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgical Engineering, Universitat Politècnica de Catalunya (UPC), Spain

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Yassine Maazouz Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgical Engineering, Universitat Politècnica de Catalunya (UPC), Spain
Mimetis Biomaterials, Spain

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Victor Bergez Mimetis Biomaterials, Spain

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David Pastorino Mimetis Biomaterials, Spain

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previous section, bone has the capacity to regenerate in specific circumstances. However, this capacity is not unlimited; it is restricted to small bone defects. There is no biological mechanism for large-scale repair of bone. This is the case, for example

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