Publications by authors named "Honton J"

Fracture of the ceramic head of a replacement arthroplasty of the hip has been encountered in 2 patients. After studying the literature the causation of such fractures has been assessed. Defects in manufacture of the prosthesis, damage during its handling and incorrect use may be responsible, with the tapered neck being the principal instrument of failure.

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Purpose Of The Study: This study was undertaken to assess the functional repercussion of retention or sacrifice of the posterior cruciate ligament in total knee replacement.

Material: Two homogeneous randomised series of 24 cases were matched. They concerned primary total knee arthroplasty for osteoarthritis using the same prosthetic design.

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We report one case of osteoid-osteoma (0.0.) developed in the radio-ulnar proximal joint in a young male adult.

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A new technic of trochanteric osteotomy preserving the attachment of the vastus-lateralis is described: this procedure leads to mobilize the greater trochanter which becomes interposed between the gluteus-medius upward and the vastus-lateralis downward. A true digastric muscle is therefore realized where functional integrity is preserved. The biomechanical and vascular advantages of this surgical approach are used in revisions of total hip arthroplasties in which a large exposure is often required.

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211 acetabular reinforcement rings of Müller have been implanted when revising total hip arthroplasties, 141 were followed up for more than 5 years. In 52 per cent of cases, an acetabular reconstruction using bone grafts was associated: in 51 cases, a bank allograft was used, one third of the grafts had only a role of filling. Theses rings remained remarkably stable and there were only 2 lacks of fixation: 1.

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Ninety-seven threaded acetabular prostheses (44 cups of Lord and 53 Motta, type cups) were implanted among which 72 were examined at an average follow-up of 5.9 years. After an initial phase of good tolerance, the results became rapidly degraded.

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Discoid meniscus is a well-known meniscal dysmorphia affecting more often the lateral meniscus of the knee. Familial series are exceptional with only two reported instances. A new series of three bilateral symptomatic cases of lateral discoid menisci was reported in a family of three brothers and sisters, whom parents had never suffered from their knees.

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The authors have undertaken chemical, biochemical and metal dissolution analysis of fluid removed from the joint in 12 loose hip replacements. They conclude that it is an inflammatory exudate with perhaps some immunological significance. A small amount of metal elements were seen, but there was no evidence of overt wear.

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The recently described Hardinge approach is currently widely used for implanting total hip prostheses. It is characterized by a dissociation of the fibers of the mid-gluteal, of which the anterior fibers remain continuous with the vastus lateralis. To assess the functional impact, a series of 63 prostheses implanted with the Hardinge approach was compared with an identical series performed with the posterior approach.

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We report two cases of giant cell tumor of bone (osteoclastoma) associated with Paget's disease. One appeared on the left cubitus in a 68-year-old male patient while the second involved the right maxillary sinus in a 79-year-old woman. Histopathological study was completed by ultrastructural and immunocytological studies.

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In a group of 87 total knee joint prostheses with posterior stabilization, 18 femoro patellar complications happened. Fractures, loosening, dislocations and subluxations are relatively rare. The persistence of residual patellar pain was more frequent with a high proportion of femoro-patellar derangement syndrome (FPDS).

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The authors have treated twelve traumatic dislocations of the knee. Three were treated conservatively with one satisfactory result. Nine were treated by early surgical repair with seven satisfactory results.

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