Cases reported "Femoral Fractures"

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1/290. Remission of idiopathic thrombocytopenic purpura after femoral lengthening. Clinical case followed for 5 years.

    We report on a patient with chronic idiopathic thrombocytopenic purpura (ITP) who went into remission after femoral lengthening. Although it is possible that spontaneous remission (frequency 5%-10%) of chronic ITP coincided with the femoral lengthening, limb lengthening could also have caused the thrombocytosis. This case suggests a close relationship between osteogenesis and hematopoiesis during regenerate bone formation. Limb lengthening can therefore be defined as the formation not only of bone and soft tissue but also of hematopoietic tissue.
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2/290. sciatic nerve injury associated with fracture of the femoral shaft.

    The sciatic nerve escapes injury in most fractures of the femoral shaft. We report a case of sciatic nerve palsy associated with a fracture at the distal shaft of the femur. The common peroneal division of the sciatic nerve was lacerated by a bone fragment at the fracture site. Despite the delay in treatment, a satisfactory result was obtained.
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3/290. Management of supracondylar fractures of the femur with the GSH intramedullary nail: preliminary report.

    The GSH supracondylar nail is a closed section rigid intramedullary device that combines the biomechanical advantages of intramedullary fixation with the stability of rigid internal fixation for the management of supracondylar fractures of the femur. The use of this implant is indicated in the management of distal comminuted nonarticular fractures and fractures with intraarticular extension. Intramedullary fixation provides improved fracture stabilization in both elderly patients with osteoporotic metaphyseal bone and in younger patients with extensively comminuted fractures. The experience with the GSH supracondylar nail has shown that it provides better results than supracondylar plating for the stabilization of acute fractures or revision of failed internal fixation.
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4/290. Unusual longitudinal stress fractures of the femoral diaphysis: report of five cases.

    We present five cases of a distinctive type of longitudinal stress fracture of the upper femoral shaft in which the fracture line is parallel to the outer surface of the bone, in contrast to the perpendicular orientation to the cortical surface in previously reported cases of diaphyseal stress fractures. In two cases the fracture recurred after 15 and 18 months, respectively.
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5/290. femur osteomyelitis due to a mixed fungal infection in a previously healthy man.

    We describe a previously healthy, 22-year-old man who, after a closed fracture of the femur and subsequent operation, developed chronic osteomyelitis. Within a few days, infected bone fragments, bone, and wound drainage repeatedly yielded three different filamentous fungi: aspergillus fumigatus, aspergillus flavus, and Chalara ellisii. Histologic examination of the bone revealed septate hyphae. After sequential necrotomies of the femur and irrigation-suction drainage with added antimycotic therapy, the infection ceased and the fracture healed. This case is unique in that it is the only known instance in which a long bone was affected in an immunocompetent individual, with no evidence of any systemic infection, by a mixed population of two different Aspergillus spp. and the rare filamentous fungus C. ellisii. Environmental factors that could potentiate the infection include blood and edema fluid resulting from the surgical procedure and the presence of the osteosynthetic plate.
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6/290. Histopathology of a well-functioning hydroxyapatite-coated femoral prosthesis after 52 months.

    A fully hydroxyapatite-coated femoral implant was retrieved during autopsy. This component, provided with a bipolar femoral head, had been inserted for a displaced fracture of the femoral neck 52 months before. osseointegration of the implant was evident, without any formation of fibrous tissue :39.9% of the perimeter of the prosthesis at the level of its proximal third was interfaced with bone (62.8% at the mid-third and 65.2% at the distal third). Remodeling of bone had ensued. Deposition of bone was most prominent in the calcar zone, along the medial and lateral aspects and around the tip. Proximally, cortical porosity was found to be increased by 73%, whereas medullary bone porosity was increased by a factor of 2. Cell-mediated resorption of the coating was systematically present in these bone remodeling areas. The average thickness of the coating was respectively 10.8, 50.2 and 151.2 microns in the proximal, mid- and distal thirds of the implant. Formation of new bone was often coupled with resorption. No debris from the coating was found in the joint tissues or in the articulating surface of the polyethylene insert. These overall histopathological features support mechanical stability of the implant and active remodelling of bone along with focal removal of HA coating associated with osteoclastic activity. No side effects from coating degradation could be demonstrated.
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7/290. Use of the fork plate for internal fixation of periprosthetic fractures and osteotomies in connection with total knee replacement.

    Six cases of periprosthetic fractures of the distal femur following total knee arthroplasty were treated with a newly developed fork plate. Instead of the blade of the condylar plate, this implant features two prongs that are adaptable in length. Because of the space between the prongs, the distal femoral fragment surrounds the anchorage pegs of the prosthesis and can be gripped near the joint line. The average patient age was 74 years. Follow-up ranged between 2 and 54 months. All patients were mobilized immediately postoperatively. Full weight bearing and bone consolidation was achieved by 9 weeks postoperatively.
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8/290. Spontaneous healing of an atrophic pseudoarthrosis during femoral lengthening. A case report with six-year follow-up.

    A seven-year old girl developed an atrophic pseudoarthrosis at the midshaft of the femur with 8.5 cm of femoral shortening after an open type II fracture. During a femoral lengthening procedure, the pseudoarthrosis filled with spontaneous callus formation and bone union was obtained.
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9/290. Unusual finding after contrast injection of a solitary bone cyst. A case report.

    Injection of radiopaque contrast into a solitary bone cyst (SBC) prior to methylprednisolone acetate (MPA) injection has been previously reported. We report an unusual finding during the injection of radiopaque contrast in the treatment of one case of SBC of the femur: a bicameral appearance of the cyst was observed; no filling of the proximal cavity occurred and immediate perfusion of the femoral vein with contrast was noted. In cases of SBC such as this one, percutaneous autologous marrow or corticosteroid injection may fail to be effective. Furthermore there exists the potential risk of fat embolus secondary to bone marrow injection. Based on these findings in the case reported, we suggest that contrast injection should be performed prior to bone marrow or corticosteroid injection in order to evaluate both the venous drainage of the cyst and its degree of loculation.
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10/290. Removal of the deeply inserted proximal interlocking screw in the greater trochanter after femoral nailing.

    Removal of the proximal interlocking screw (PIS), especially one that is deeply inserted in the greater trochanter or covered by heterotopic ossification, is troublesome and requires considerable effort because the search for its head usually requires removing bone from around the insertion site. We introduce a simple tip to remove this complicated PIS with the aid of a proximal drill guide, drill bit, and AO countersink.
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