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Specialty. Neurology. Posterior cortical atrophy (PCA), also called Benson's syndrome, is a rare form of dementia which is considered a visual variant or an atypical variant of Alzheimer's disease (AD). [ 1 ][ 2 ][ 3 ] The disease causes atrophy of the posterior part of the cerebral cortex, resulting in the progressive disruption of complex ...
Medical condition Dementia with Lewy bodies Other names Diffuse Lewy body disease, dementia due to Lewy body disease Microscopic image of a Lewy body (arrowhead) in a neuron of the substantia nigra ; scale bar=20 microns (0.02 mm) Specialty Neurology, psychiatry Symptoms Dementia, abnormal behavior during REM sleep, fluctuations in alertness, visual hallucinations, parkinsonism Usual onset ...
Alzheimer's disease (AD) is a neurodegenerative disease that usually starts slowly and progressively worsens, [ 2 ] and is the cause of 60–70% of cases of dementia. [ 2 ][ 15 ] The most common early symptom is difficulty in remembering recent events. [ 1 ] As the disease advances, symptoms can include problems with language, disorientation ...
Binswanger's disease, also known as subcortical leukoencephalopathy and subcortical arteriosclerotic encephalopathy, [1] is a form of small-vessel vascular dementia caused by damage to the white brain matter. [2] White matter atrophy can be caused by many circumstances including chronic hypertension as well as old age. [3]
The LBDA cites these as the most common symptoms: Difficulty in processing information and planning. Loss of memory. Having trouble understanding visual information. Changes in attention or ...
Signs and symptoms. Frontotemporal dementia is an early onset disorder that mostly occurs between the ages of 45 and 65, [ 13 ] but can begin earlier, and in 20–25% of cases onset is later. [ 11 ][ 14 ] Men and women appear to be equally affected. [ 15 ] It is the most common early presenting dementia. [ 16 ]
Doctors say that it’s unlikely. “Dementia is not going to ‘begin’ acutely after a fall,” says William Hu, MD, associate professor and chief of cognitive neurology and the Alzheimer’s ...
Cerebrospinal fluid leak. A cerebrospinal fluid leak (CSF leak or CSFL) is a medical condition where the cerebrospinal fluid (CSF) that surrounds the brain and spinal cord leaks out of one or more holes or tears in the dura mater. [ 1 ] A CSF leak is classed as either spontaneous (primary), having no known cause (sCSF leak), or nonspontaneous ...
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