<prompt> Binswanger disease refers to?Subcortical arteriosclerotic encephalopathyHippocampal atrophyMultiple cortical infarctsExtrapyramidal dementia  <response>: Ans ABinswanger disease is also known as subcortical leukoencephalopathy and subcortical arteriosclerotic encephalopathy. It is small vessel ischemia related dementia caused commonly by chronic hypertension or old age. 