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The most frequent neurological abnormalities were abulia and psychic akinesia (48%), frontal system abnormalities (26%), speech deficits in patients with left-sided lesions (23%), and neglect syndromes in those with right-sided lesions (10%). Fifteen patients with caudate infarct (60%) and 3 patients with hemorrhage (50%) were able to return to normal daily life. Patients with infarct in the territory of the lateral lenticulostriate arteries extending to neighboring structures showed more frequent motor and neuropsychological deficits than those with infarct in the territory of the anterior lenticulostriate arteries. The clinical presentation of patients with caudate hemorrhage mimicked subarachnoid hemorrhage with or without motor and neuropsychological signs. Caudate vascular lesions with concomitant neighboring structure involvement represent a specific stroke syndrome, usually caused by small-artery-disease and in one fifth of the patients caused by cardiac embolism. The behavioral abnormalities were mostly due to medial, lateral, and ventral caudate subnuclei damage and coexisting lesion of the anterior limb of the internal capsule. |
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abulia basal ganglia,lesion of behavioral disorder botulinum toxin CAT scan,abnormal caudate nucleus caudate nucleus,hemorrhage of caudate nucleus,infarction caudate nucleus,lesion of cerebral embolism cerebral infarction cerebrovascular accident epidemiology of neurology internal capsule MRI,abnormal neglect personality change review article risk factors small vessel disease
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