Age-related degeneration of cerebral vessels that predisposes to lobar hemorrhages describes which condition?

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Multiple Choice

Age-related degeneration of cerebral vessels that predisposes to lobar hemorrhages describes which condition?

Cerebral amyloid angiopathy is an age-related process where beta-amyloid deposits accumulate in the walls of cortical and leptomeningeal vessels, weakening them and making lobar intracerebral hemorrhages more likely in older adults. This results in bleeding often located in the brain lobes (such as parietal or occipital regions) and can recur, which fits the description of age-related degeneration predisposed to lobar bleeds. By contrast, hypertensive hemorrhages typically involve deep brain structures (basal ganglia, thalamus, brainstem) due to chronic hypertension; AV malformations are congenital and can bleed, and ischemic stroke arises from arterial occlusion rather than hemorrhage.

Cerebral amyloid angiopathy is an age-related process where beta-amyloid deposits accumulate in the walls of cortical and leptomeningeal vessels, weakening them and making lobar intracerebral hemorrhages more likely in older adults. This results in bleeding often located in the brain lobes (such as parietal or occipital regions) and can recur, which fits the description of age-related degeneration predisposed to lobar bleeds. By contrast, hypertensive hemorrhages typically involve deep brain structures (basal ganglia, thalamus, brainstem) due to chronic hypertension; AV malformations are congenital and can bleed, and ischemic stroke arises from arterial occlusion rather than hemorrhage.

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