Cases reported "Fractures, Stress"

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1/45. Femoral neck stress fracture presenting as gluteal pain in a marathon runner: case report.

    A case is described of a 50-year-old man with a femoral neck stress fracture presenting as gluteal pain. An operative pinning procedure of the femoral neck was performed for stabilization. Femoral neck stress fractures are often misdiagnosed early in their presentation. The signs and symptoms can mimic those of more commonly seen disorders. Appropriate physiatric history and physical examination, along with indicated studies, will help prevent misdiagnosis and potentially serious complications associated with musculoskeletal pathology.
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2/45. Decline in bone mineral density with stress fractures in a woman on depot medroxyprogesterone acetate. A case report.

    BACKGROUND: Depot medroxyprogesterone acetate is a popular contraceptive among young, physically active women. However, its administration has been linked to a relative decrease in estrogen levels. Since bone resorption is accelerated during hypoestrogenic states, there has been growing concern about the potential development of osteoporosis and fractures with the use of this contraceptive method. CASE: A physically active, 33-year-old woman demonstrated a 12.4% drop in femoral neck bone mineral density (BMD), 6.4% drop in lumbar BMD and 0.8% drop in total BMD with the subsequent development of a tibial stress fracture while on depot medroxyprogesterone acetate. Bone mineralization rapidly improved, and the stress fracture resolved with discontinuation of the medication. CONCLUSION: The long-term effects of depot medroxyprogesterone acetate on bone mineralization in physically active women should be evaluated more thoroughly.
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3/45. An unusual extraspinal cause of bilateral leg pain.

    low back pain with pain radiating to the lower extremities is common in patients referred to a spine center. Lumbar spine pathology is commonly the etiology of such symptoms, but extraspinal causes of back and leg pain can manifest as a radicular disorder. Extraspinal etiologies must be considered in the workup of back and leg pain. This report describes an unusual case of spontaneously occurring bilateral femoral neck stress fractures presenting as low back pain with seemingly bilateral L4 radicular symptoms.
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4/45. Insufficiency fracture of the femoral neck after intramedullary nailing.

    We report a patient with insufficiency fracture that occurred after intramedullary nailing for a subtrochanteric fracture. Intramedullary nailing is speculated to have increased the stress in the already osteoporotic subcapital region. It therefore should be recognized as a causative factor in insufficiency fracture of the femoral neck. Careful follow-up is needed for patients with this condition.
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5/45. Subcapital femoral neck fracture after closed reduction and internal fixation of an intertrochanteric hip fracture: a case report and review of the literature.

    A subcapital femoral neck fracture in a healed intertrochanteric fracture treated by an open reduction and internal fixation is a rare, but catastrophic, event. We present the case of an 86-year-old woman, a community ambulator, who sustained a displaced right intertrochanteric hip fracture during a fall. She was treated with closed reduction and internal fixation with a dynamic compression hip screw and side plate. Four months later, she was noted to have a displaced subcapital femoral neck fracture and underwent hip screw and side plate hardware removal and cemented bipolar hemiarthroplasty. Both postoperative recoveries were uncomplicated, and she was discharged to a rehabilitation facility able to ambulate with minimal assistance. This devastating complication in patients with osteoporosis may be prevented by deeper placement of the dynamic hip compression lag screw to within 5 mm to 8 mm of the subchondral bone, which may decrease the stress forces in the subcapital femoral neck.
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6/45. Bilateral fracture of the sacrum associated with pregnancy: a case report.

    We describe a 33-year-old woman with a bilateral fracture of the sacrum associated with pregnancy. Dual-energy X-ray absorptiometry of the lumbar spine and femoral neck showed normal bone mineral density, whereas bilateral osteopenic areas in the massae laterales were demonstrated by the initial CT-scan. The question remains whether the correct diagnosis is so-called insufficiency fracture due to transient osteoporosis of the sacrum associated with pregnancy or so-called fatigue fracture due to unaccustomed stress related to rapid and excessive weight gain in the last trimester of pregnancy.
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7/45. fatigue failure of an AO spiral blade.

    We report an unusual case of a femoral neck stress fracture leading to the fatigue failure of an AO spiral blade. An unreamed femoral nail with a spiral blade was inserted to treat an unstable subtrochanteric femoral fracture. which lead to fracture union at 5 months. Eight months post-operatively the patient started to complain of left hip pain. Serial radiographs revealed progressive osteoporosis of the proximal femur possibly due to the stress sharing effect of a stiff intramedullary device, which continued to bear a significant amount of the transmitted load. The cause of pain was a stress fracture of the femoral neck and the AO spiral blade, which only became radiologically visible 4 months after the start of the symptoms (1 year after the initial operation). The implant was removed and replaced by a cemented hemiarthroplasty. This case reaffirms the difficulty in diagnosing a stress fracture through a metallic implant. The delay in diagnosis may be shortened if stress fracture were included as an expected complication following an intramedullary nailing.
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8/45. Stress fracture of the hip and pubic rami after fusion to the sacrum in an adult with scoliosis: a case report.

    Correction of adult scoliosis frequently involves long segmental fusions, but controversy still exists whether these fusions should include the sacrum. It has been suggested that forces associated with activities of daily living transfer the stresses to the remaining levels of the spine and to the pelvis. The case described here was a 43-year-old woman with scoliosis and chronic back pain refractory to non-surgical modalities. Radiographically, the patient had a 110 degree lumbar curve. An anterior and posterior fusion with Luque-Galveston instrumentation was performed. Six months postoperatively the patient returned with a 2-week history of right hip pain with no history of trauma. There was radiographic evidence of a displaced femoral neck fracture and pubic rami fractures. The femoral neck fracture was treated with a total hip replacement. Further surgeries were required to correct a lumbar pseudoarthrosis and hardware failure. We believe that this case provides evidence that fusion into the lumbosacral junction may distribute forces through the pelvic bones and hip resulting in stress and potential hardware complications, especially in patients at risk due to osteopenic conditions.
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9/45. Stress fracture of the femoral neck in a child. Case report and review of the literature.

    fatigue fractures generally appear in normal bone following increased repetitive activity or strenuous exercise, when imbalance occurs between applied force and elastic resistance. Femoral neck fatigue fractures are most common in athletes and young military recruits; such fractures in children with open physes are very rare. This paper reports a fatigue fracture of the femoral neck in an 8-year-old girl presenting with pain in the anterior aspect of the right thigh, of one month duration and without evidence of previous injury. bed rest and relief of weight bearing are indicated for nondisplaced compression fractures. Surgical treatment is indicated for tension fractures. In most cases, the outcome is favorable, and complications are rarely reported.
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10/45. Two cases of isolated first rib fracture.

    Isolated first rib fractures are uncommon. They are usually associated with severe blunt trauma, although other mechanisms have been suggested, these being (a) indirect trauma, (b) sudden contraction of the neck muscles, and (c) stress or fatigue fractures attributable to repeated pull of muscles. Two cases are reported of stress fracture of the first rib, who presented to the accident and emergency department.
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