Edward Y Cheng

Nontraumatic Osteonecrosis of the Femoral Head: An Update.

➢ Nontraumatic osteonecrosis of the femoral head should be suspected in patients who are <50 years of age who have persistent hip pain despite normal radiographs. ➢ Bilateral involvement is common; magnetic resonance imaging (MRI) of the contralateral hip is recommended. ➢ MRI is...