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avascular necrosis (AVN)
Etiology ("PLASTIC RAGS"):
- P
- pancreatitis
- L
- lupus
- A
- alcohol
- S
- steroids
- T
- trauma
- I
- idiopathic, infection
- C
- caisson disease, collagen vascular disease
- R
- radiation, rheumatoid arthritis
- A
- amyloid
- G
- Gaucher disease
- S
- sickle cell disease
findings:
- sclerosis
- crescent sign
- collapse (e.g., of femoral head)
see also: staging
Brian Funaki, MD - 8 February 1995
Last updated: 1 September 2006
Medical College of Wisconsin