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Fibromuscular dysplasia


FIBROMUSCULAR DYSPLASIA 

- Idiopathic, segmentary, non inflammatory, non atherosclerotic
- All layers of small and medium sized arteries involved
- 4-6% prevalence in renal arteries and 0.3-3% in cervico-encephalic arteries
- In more than half the cases, lesions are bilateral
- Branch or bifurcation involvement also seen
-Multifocal string of beads lesions seen in 84% of the cases
-Almost any artery can be involved including mesenteric, brachial and iliac
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