1,721,051 research outputs found

    New intervertebral device? No, just a bullet inside the L3–L4 disc

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    A 20-year-old man presented with mild low back pain with no radicular irradiation. He was a poor historian, but recalled a gunshot wound 8 years previously that did not have any major clinical implications. Imaging studies showed a bullet in the middle of the intervertebral disc at L3–L4 (Figs. 1–3). There was no clinical or laboratory evidence of lead poisoning [1,2]. Nonsurgical care was recommended

    Total knee arthroplasty with rotating-hinge Endo-Model prosthesis: clinical results in complex primary and revision surgery

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    Rotating-hinge knee implants are highly constrained devices able to provide the stability needed for arthroplasty in case of severe bone loss and complex instability. Notable doubts still exist in using rotating-hinge devices, mainly due to risk of mechanical failure and risk of infection. We retrospectively evaluated the functional and clinical outcomes in a series of patients treated with the rotating-hinge Endo-Model prosthesis either for primary or revision total knee arthroplasty. Between 1997 and 2009 we implanted 123 Endo-Model prosthesis (118 patients) at our institution. At the time of this study we could evaluate 45 prosthesis (25 primary and 20 revision TKAs) from the clinical and radiological site, with average follow-up of 42.2 months. During the follow-up period, three patients reported complications, which in two cases finally led to revision with explantation. Mean survival of the implants attested at 93.3 %. The average post-operative clinical Knee Society score in the evaluated series was 94.2, the functional one 78.7. The average range of motion was 0°–108°. No signs of joint instability or misalignment were noted. Pain was present in a minority of patients, but always at a mild/occasional extent. No evidences of loosening or implant failure have been reported. No substantial divergences in the outcomes have been found across different patient categories after stratification in agreement with the Knee Society. Coherent with previously published works, we confirm the Endo-Model prosthesis to provide excellent pain relief, restoration of walking capacity and intrinsic knee stability both in complex primary and in revision knee arthroplasty, with good or excellent results in the majority of patients and acceptable complication rate

    Il piede nelle neuropatie ereditarie sensoriali | [The foot in hereditary sensorial neuropathy]

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    Hereditary sensory neuropathies are a group of nervous diseases in which degeneration affects the peripheral axons and their origin cells causing trophic disorders (osseous and cutis lesions) and neurological disorders (alterations of sensibility) that result inulcero-mutilating acropathy of extremities

    Alterations of the arcus plantaris in the constitutional skeletal diseases [Le alterazioni dell'arco plantare nelle malattie costituzionali dello scheletro]

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    In the constitutional skeletal diseases, alterations of the arcus plantaris are found with a rate of 1:10; there is a clear prevalence of the piattism on the cavism. In the congenital flatfoot, muscular hypotonia and ligamental laxity are involved in the pathogenic mechanism; less frequent is the involvement of osseous malformations and dysplasies.; in cavism, pathogenesis results from various factors (plantar aponeurosis retraction, resorption of the tarsal skeleton, neurogenic arthropathies)

    Le osteocondrosi del piede a sede rara | [Rare foot ostoochondosis]

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    Calcaneus, navicular bone and the head of the second metatarsal bone are the most frequent localization of osteochondrosis in the foot (up to 20% of the whole localizations). Localization in the talus, in the cuneiforms and in other metatarsal bones are rare; extraordinary in the sesamoids and in other accessory bones of the foot

    The congenital club foot in the genotypical osteodysplasies

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    The congenital club foot is a constant or frequent sign in 6.7% of osteodysplasies. In most cases, these conditions are lethal or sub-lethal and the primary question is eugenetical. Within the forms that allow survival, the most important is the diastrophic dwarfism. The treatment of diastrophic dwarfism is extremely difficult because of the tendence to recidivit
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