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AJR 2002; 179:657-663
© American Roentgen Ray Society

Original Report

Rapidly Destructive Osteoarthritis of the Hip: MR Imaging Findings

Nathalie Boutry1, Christelle Paul1, Xavier Leroy2, David Fredoux1, Henri Migaud3 and Anne Cotten1

1 Department of Radiology, Hôpital Roger Salengro, Blvd. du Professeur Leclercq, CHRU de Lille, 59037 Lille Cedex, France.
2 Department of Pathology, Hôpital Roger Salengro, CHRU de Lille, 59037 Lille Cedex, France.
3 Department of Orthopaedics, Hôpital Roger Salengro, CHRU de Lille, 59037 Lille Cedex, France.

OBJECTIVE. The aim of our study was to describe the MR imaging findings in patients with rapidly destructive osteoarthritis of the hip.

CONCLUSION. The key MR imaging features of rapidly destructive hip osteoarthritis include joint effusion (100%), bone marrow edemalike pattern in the femoral head and neck (100%) or acetabulum (83%) or both, femoral head flattening (92%), and cystlike subchondral defects (83%). Additional findings are low-signal-intensity lines (33%) in the femoral epiphysis, bandlike areas of low signal intensity in the upper pole of the femoral head (8%), and focal signal abnormalities in the adjacent soft tissues (33%) on short tau inversion recovery MR images, fat-suppressed T2-weighted MR images, and fat-suppressed gadolinium-enhanced T1-weighted MR images.


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