Berry aneurysm
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17.3.09
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You are here: Home » Medical Subject Notes , Pathology Notes » Berry aneurysm
most common cerebral aneurysm
most often occur around the circle of Willis, particularly at bifurcations
20-30% have multiple
Angiogram and photo
looks like a white raspberry
Complications
rupture and subarachnoid hemorrhage, aka “worst headache of my life”
risk of rupture is 1.3% per year, higher with larger aneurysms
mortality: 25-50% die after first aneurysm
Pathogenesis
not fully understood, but does have to do with nonlaminar flow around arterial branchings
strongly associated with polycystic kidney disease
Category: Medical Subject Notes , Pathology Notes
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