Berry aneurysms (saccular) - Most common sites, Symptoms, Diagnosis and Pathology

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Berry aneurysms (saccular) - Most common sites, Symptoms, Diagnosis: FMGE and Neet PG Pathology

Most common type of cerebral aneurysms
Have a round, saccular shape
Typically occur at the junctions of vessels in the circle of Willis (the most commonly involved junction is the between an anterior communicating artery and anterior cerebral artery)
Account for approx. 80% of cases of nontraumatic subarachnoid hemorrhage

Risk factors
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History of congenital conditions: autosomal-dominant polycystic kidney disease, Ehlers-Danlos syndrome, Marfan syndrome, aortic coarctation
Hypertension
Smoking
African-American race
Advanced age
Hyperlipidemia
Excessive alcohol consumption
Family history of aneurysms
Estrogen deficiency

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