Avascular Necrosis of the Hip
34 y/o man with a history of hip dislocation
The RIGHT hip shows the "double-line sign" that is characteristic of AVN; a hypointense line adjacent to a hyperintense line.
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 erythematosis.
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Last modified April 14, 1995
Copyright 1995 Ray Ballinger, University of Florida and VA Medical Center, Gainesville, FL.