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  2. Leukoaraiosis - Wikipedia

    en.wikipedia.org/wiki/Leukoaraiosis

    Head CT showing periventricular white matter lesions. Leukoaraiosis is a particular abnormal change in appearance of white matter near the lateral ventricles. It is often seen in aged individuals, but sometimes in young adults. [1] [2] On MRI, leukoaraiosis changes appear as white matter hyperintensities (WMHs) in T2 FLAIR images.

  3. Hyperintensity - Wikipedia

    en.wikipedia.org/wiki/Hyperintensity

    These small regions of high intensity are observed on T2 weighted MRI images (typically created using 3D FLAIR) within cerebral white matter (white matter lesions, white matter hyperintensities or WMH) [1] [2] or subcortical gray matter (gray matter hyperintensities or GMH). The volume and frequency is strongly associated with increasing age. [2]

  4. Pathology of multiple sclerosis - Wikipedia

    en.wikipedia.org/.../Pathology_of_multiple_sclerosis

    Most of the brain in MS is unaffected. Though obviously normal white matter appears normal under MRI, so does the NAWM white matter described in the next section. To establish a difference, normal white matter is named Non-lesional white matter (NLWM) [134] This normal white matter is reported to be around 56% of the total WM of the patients. [135]

  5. Multiple Sclerosis Patients on the Most Effective Ways ... - AOL

    www.aol.com/news/multiple-sclerosis-patients...

    MS is a disease of the brain and spinal cord that can cause symptoms such as vision changes, balance problems, and weakness. Multiple Sclerosis Patients on the Most Effective Ways Doctors Can ...

  6. Brainstem damage could explain long COVID symptoms ... - AOL

    www.aol.com/brainstem-damage-could-explain-long...

    white matter hyperintensities, which are abnormalities in the coating of some neurons, and which also appear in some cases of dementia. Research also suggests that COVID-19 is associated with ...

  7. Pathophysiology of multiple sclerosis - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of...

    The damaged white matter is known as "Normal-appearing white matter" (NAWM) and is where lesions appear. [10] These lesions form in NAWM before blood–brain barrier breakdown. [64] BBB can be broken centripetally (the most normal) or centrifugally. [65] Several possible biochemical disrupters were proposed.

  8. Multiple sclerosis - Wikipedia

    en.wikipedia.org/wiki/Multiple_sclerosis

    The name multiple sclerosis refers to the scars (sclerae – better known as plaques or lesions) that form in the nervous system. These lesions most commonly affect the white matter in the optic nerve, brain stem, basal ganglia, and spinal cord, or white matter tracts close to the lateral ventricles. [1]

  9. Radiologically isolated syndrome - Wikipedia

    en.wikipedia.org/wiki/Radiologically_isolated...

    The presence of incidental MRI findings in the CNS white matter: Ovoid and well-circumscribed homogeneous foci, with or without involvement of the corpus callosum; T2 hyperintensities larger than 3 mm in diameter, which fulfill at least 3 of the 4 Barkhof MRI criteria [7] for DIS; The CNS abnormalities are not consistent with a vascular condition

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