Osteonecrosis of both lateral femoral condyles was observed in a 42-year-old black woman under treatment with oral prednisone. She was treated by arthrotomy and debridement on the right side and conservative management on the left side. Lateral compartment osteonecrosis is most frequently associated with steroid therapy, but bilateral involvement is infrequent.
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Havel et al. (1989) studied this question.