Cases reported "Fractures, Stress"

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11/357. 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. ( info)

12/357. magnetic resonance imaging in the diagnosis of sacral stress fracture.

    Low back and buttock pain in athletes can be a source of frustration for the athlete and a diagnostic dilemma for the doctor. Sacral stress fractures have been increasingly recognised as a potential cause of these symptoms. As plain radiographs are often normal and the radiation load of an isotope bone scan is substantial, the alternative use of magnetic resonance imaging in the diagnosis of a sacral stress fracture is highlighted in this case report. ( info)

13/357. Nonunion of tibial stress fractures in patients with deformed arthritic knees. Treatment using modular total knee arthroplasty.

    In two years we treated four women with ununited stress fractures of their proximal tibial diaphyses. They all had arthritis and valgus deformity. The stress fractures had been treated elsewhere by non-operative means in three patients and by open reduction and internal fixation in one, but had failed to unite. After treatment with a modular total knee prosthesis with a long tibial stem extension, all the fractures united. A modular total knee prosthesis is suitable for the rare and difficult problem of ununited tibial stress fractures in patients with deformed arthritic knees since it corrects the deformity and the adverse biomechanics at the fracture site, stabilises the fracture and treats the arthritis. ( info)

14/357. Primary lymphoma of the calcaneus with recurrence in the distal tibia: a case report.

    Primary lymphoma of bone in general is a very rare condition which represents approximately 3% of all primary malignant bone tumors. Of these, less than 1% originate in the foot. The following case presentation demonstrates a patient who presented with primary lymphoma of the calcaneus, diagnosed by open bone biopsy and treated with radiation therapy. The patient remained disease free for almost 3 years, at which time recurrence to the contralateral distal tibia was diagnosed again through open biopsy. ( info)

15/357. Atypical heel pain. hyperparathyroidism-induced stress fracture of the calcaneus.

    The authors present a case of atypical heel pain masquerading as plantar fasciitis. The patient was subsequently diagnosed with hyperparathyroidism-induced stress fracture of the calcaneus. The clinical entity of hyperparathyroidism and its manifestations in the skeletal system are presented, as well as a review of stress fractures and pertinent imaging studies. ( info)

16/357. 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. ( info)

17/357. 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. ( info)

18/357. Lateral insufficiency fractures of the femur caused by osteopenia and varus angulation: a complication of total hip arthroplasty.

    Lateral femoral insufficiency fractures in total hip arthroplasty occur due to osteopenia and varus positioning of the femoral component, the femur itself, or both. The presentation of these fractures can be unclear but usually involves the insidious onset of unexplained thigh or groin pain. The patients are likely to have significant comorbidities as well. Characteristic radiographic findings may be present, depending on when the patient presents. The insufficiency fractures generally occur at the level of the femoral stem tip on the lateral cortex of the femur. If left untreated, pain and loss of function continue. Eventually an insufficiency fracture can progress to a displaced periprosthetic fracture. Nonsurgical treatment is not successful. Recommended treatment involves revision to a long-stem femoral component. The risk of postoperative complications is significant. ( info)

19/357. Pelvic stress fracture: assessment and risk factors.

    OBJECTIVE: To discuss the case of a patient with a pelvic stress fracture and the differential considerations among patients presenting with hip and/or groin pain. FEATURES: A 42-year-old woman had hip pain after running. Initial radiograph of the pelvis was negative. Subsequent films showed a right inferior pubic ramus stress fracture. Stress fractures of the pelvis are relatively uncommon, accounting for only 1% to 2% of all stress fractures. INTERVENTION AND OUTCOME: Treatment included high-velocity, low-amplitude chiropractic manipulation, ultrasound, and stretching of the psoas and piriformis muscles. After 8 weeks, care was discontinued because the patient's hip pain had resolved. The pelvic fracture was left to heal with time. After 1 year, the patient still had delayed union of the fracture. CONCLUSION: When predisposing factors are present, such as osteoporosis and rheumatoid arthritis, pelvic stress fracture should be suspected in patients with groin or hip-area pain. However, because pelvic stress fractures are relatively rare, radiographic studies are often postponed, making diagnosis difficult. ( info)

20/357. Insufficiency fractures of the distal tibiae.

    We describe two patients with uncommon types of insufficiency fractures that occurred at the distal tibiae. In case 1, a 71-year-old man with secondary osteoporosis due to hypogonadism fracture of his left distal tibia was overlooked because initial radiographs had seemed normal. However, bone scintigram obtained 2 months prior to the onset of fracture had already demonstrated abnormally high uptake at the site. In case 2, a 62-year-old woman with postmenopausal osteoporosis sustained an insufficiency fracture of the left distal tibia. Good clinical results were obtained with nonsurgical treatment. Based on the clinical course of case 1, we believe that bone scintigrams may be useful not only for the early diagnosis of insufficiency fracture but also for predicting such fractures. ( info)
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