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[Amnestic syndrome after right temporo-occipital subcortical hemorrhage].

A case of right temporo-occipital subcortical hemorrhage with amnestic syndrome was reported. A 65-year-old woman presented with visual disturbance and headache. CT and MRI demonstrated a hemorrhagic lesion in the right occipital lobe involving parahippocampal gyrus. Neurological examination on admission revealed left homonymous hemianopsia and anterograde and retrograde amnesia. Neuropsychological examination revealed marked recent memory disturbance, but she had visual retention and verbal retention, and her value in WAIS (Wechsler Adult Intelligence Scale) was normal. After 40 days, she was discharged without improvement of amnesia. These findings suggest that the cortico-medial temporal lobe pathway was disturbed by subcortical hemorrhage, and we think there are connective fibers between visual and verbal memory systems. This is the first report of hippocampal amnesia following temporo-occipital subcortical hemorrhage.