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Multi-infarct dementia. Coloured computed tomography (CT) scan of an axial section through the brain of a patient suffering dementia, such as Alzheimer's disease. Multiple infarctions have caused death of cerebral tissue as seen in the deep ingrowths in the brain (at left, upper right, bottom centre). In most cases dementia is caused by cerebrovascular disease, including strokes, or to Alzheimer's disease. Symptoms are loss of memory, confusion, and depression and delusions as the disease progresses and worsens. CT scanning uses X-rays to create "slice" images through the body.
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