Avascular necrosis of the hips

Case contributed by Dr J. Ray Ballinger

Presentation

History of steroid use for Crohn's Disease

Patient Data

Age: 44
Gender: Male
Modality: MRI

The left hip shows the "double-line sign" that is characteristic of AVN; a hypointense line adjacent to a hyperintense line. The right hip shows extensive hypointensity and deformity of the femoral head in keeping with sclerosis and mild subchondral collapse.

Case Discussion

Avascular necrosis is secondary to vascular obstruction and commonly involves the hips. Predisposing conditions to AVN include steroid use as in this case, pancreatitis, alcoholism, sickle cell disease, rheumatoid arthritis, and systemic lupus erythematosus.
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Case Information

rID: 24565
Case created: 26th Aug 2013
Last edited: 28th Dec 2015
Inclusion in quiz mode: Included

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