Gliosis is a proliferation of astrocytes in the brain, in areas of damage. This is seen in areas of the brain in neurodegenerative diseases like Alzheimer's, Parkinson's, multiple sclerosis, prion's disease and others. These can vary in size deending on the extent of damage.
As I have already said, any area of brain tissue destruction can lead to gliosis. The causes that I have stated above are the most well defined causes of foci of gliosis. Other nonspecific causes like migraine, small vessel disease and demyelination are possibilities. The final diagnosis depends on the combination of examination, history and investigations. Investigation alone cannot be used to diagnose a disease
eamination states "indicate foci of gliosis or demyelination." Also "multiple foci of raised T2 and FLAIR signal in both cerebral hemispheres. What does this mean, and what illness would this indicate.
what does this mean - a few punctate foci of signal abnormality are noted of the bilateral subcortical white matter consistent with gliosis.
impression is nonspecific punctate subcortical foci of gliosis
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