Orthopaedic review
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Case Reports
Dislocation of the sternoclavicular joint. Evaluation using paraxial computed tomographic reconstruction.
Sternoclavicular dislocations are relatively infrequent, constituting less than 1% of somatic dislocations. Despite the fact that the sternoclavicular joint is the only articulation between the upper extremity and the axial skeleton, it possesses the least amount of osseous stability of any joint in the body. ⋯ An unusual case of an anterior dislocation of the sternoclavicular joint with a large superior component is described. It was found that coronal paraxial computed tomographic reconstruction of the joint was quite useful in evaluating this injury.
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Low back pain is a common clinical symptom usually associated with mechanical disorders, primarily muscle strain, affecting the lumbosacral spine. The majority of patients with low back pain improve within a 2-month period with conservative medical management. Conservative management includes limited physical activity, injections, nonsteroidal anti-inflammatory drugs, and muscle relaxants. These therapies work best in combination and are very effective in decreasing low back pain.
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A traumatic lateral dislocation with internal rotation of the patella can be unreducible using conventional maneuvers. These unusual dislocations may involve locking of the patella on the lateral femoral condyle. In these cases, reduction can be achieved by applying a downward force to the lateral aspect of the patella, which reduces the rotational deformity and unlocks the medial patellar facet.
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Case Reports
Transient osteoporosis of the hip misdiagnosed as osteonecrosis on magnetic resonance imaging.
A 34-year-old man developed idiopathic, bilateral, asynchronous transient osteoporosis of the hip. The symptoms included hip pain with activity, and roentgenography revealed osteoporosis of the femoral head and neck. ⋯ Despite evaluation by multiple physicians and imaging methods, including MRI, the correct diagnosis of transient osteoporosis of the hip was delayed until after resolution of the syndrome. Transient osteoporosis of the hip should be included in the differential diagnosis of hip pain.