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Mycotic aneurysms


MYCOTIC ANEURYSMS

-Term coined by Osler to describe aneurysms associated with bacterial endocarditis
-Emboli occludes vasa vasorum or vessel lumen causing vascular wall infection
-Embolism occurs in 25-50% of patients but only 1-5% develop symptomatic mycotic aneurysms
-Most commonly seen in the intracranial arteries, followed by visceral arteries and upper or lower  extremely
-Typically involve bifurcation
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