P Hernigou1, J C Lambotte. 1. Service de Chirurgie Orthopedique, Hôpital Henri Mondor, 51 avenue de Lattre de Tassigny, 94010 Creteil, France.
Abstract
OBJECTIVE: To measure the volume of osteonecrosis in 30 patients with disease in both hips (one side with collapse and the other without at Ficat stage I). METHOD: The volume of the osteonecrosis was measured by magnetic resonance imaging. RESULTS: The progression to collapse was influenced by the size of the lesion in each patient. The first collapsed hip was that with the largest volume of osteonecrosis. CONCLUSION: The volume of the osteonecrotic lesion on the second hip (stage I without collapse) is a good predictor of the time to collapse of this second hip.
OBJECTIVE: To measure the volume of osteonecrosis in 30 patients with disease in both hips (one side with collapse and the other without at Ficat stage I). METHOD: The volume of the osteonecrosis was measured by magnetic resonance imaging. RESULTS: The progression to collapse was influenced by the size of the lesion in each patient. The first collapsed hip was that with the largest volume of osteonecrosis. CONCLUSION: The volume of the osteonecrotic lesion on the second hip (stage I without collapse) is a good predictor of the time to collapse of this second hip.
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