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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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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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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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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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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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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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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
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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. 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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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