Hereditary Cerebral Hemorrhage With Amyloidosis-Dutch Type

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Abstract
• Clinical and computed tomographic findings in 24 patients with hereditary cerebral hemorrhage with amyloidosis-Dutch type were reviewed. The common initial symptoms were headache and vomiting. Computed tomographic scans showed 50 hypodense and 49 hyperdense cortical lesions and in 20 patients the scans also showed generalized white matter hypodensity. Impairment of consciousness was related to the size of the hemorrhagic lesion. Dementia, seen in 11 patients, was related to the duration of the disease and the number of focal lesions on the computed tomographic scans, but not to the presence of white matter hypodensity. It is concluded that in hereditary cerebral hemorrhage with amyloidosis-Dutch type, lobar hemorrhages account predominantly for the acute clinical syndromes. The hemorrhages often have an irregular shape and are responsible for progression of the symptoms after an acute onset. Furthermore, cerebral amyloid angiopathy leads to a generalized abnormality of the white matter, probably due to chronic hypoper-fusion.