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. Radionuclide bone scans showed increased uptake of the involved femoral head. Magnetic resonance imaging (MRI) early after the onset of right… (More)


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