An 85-year-old woman with untreated hypertension was admitted with a disturbance of consciousness. On admission, brain CT revealed a lobar intracerebral hemorrhage with a midline shift. An intracranial hematoma was evacuated via a life-saving craniotomy. Definite pathological findings of amyloid-β deposition in the excised hematoma (strong in anti-amyloid β40 immunostain, but weak in anti- amyloid β42) indicated cerebral amyloid angiopathy (CAA). She had been diagnosed with Alzheimer's disease at a regional memory clinic one month before symptom onset based on MRI findings of medial temporal lobe atrophy as well as CAA-related features of multiple strictly lobar cerebral microbleeds in the occipital lobe, cortical superficial siderosis and >20 enlarged perivascular spaces in the centrum semiovale. This experience suggests that comprehensive interpretation of such CAA-related findings on MRI might help to improve the management of cardiovascular risk factors for Alzheimer's disease.

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http://dx.doi.org/10.5692/clinicalneurol.cn-000860DOI Listing

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