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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. Leukoencephalopathy with vanishing white matter - Wikipedia

    en.wikipedia.org/wiki/Leukoencephalopathy_with...

    Over time, the MRI is excellent at showing rarefaction and cystic degeneration of the white matter as it is replaced by fluid. To show this change, displaying white matter as a high signal (T2-weighted), proton density, and Fluid attenuated inversion recovery (FLAIR) images are the best approach. T2-weighted images also displaying cerebrospinal ...

  4. Diffusion-weighted magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Diffusion-weighted...

    Some more specialized diffusion MRI techniques such as diffusion kurtosis imaging (DKI) have also been shown to predict the response of cancer patients to chemotherapy treatment. [43] The principal application is in the imaging of white matter where the location, orientation, and anisotropy of the tracts can be measured.

  5. White matter - Wikipedia

    en.wikipedia.org/wiki/White_matter

    The integrity of white matter declines due to aging. [19] Nonetheless, regular aerobic exercise appears to either postpone the aging effect or in turn enhance the white matter integrity in the long run. [19] Changes in white matter volume due to inflammation or injury may be a factor in the severity of obstructive sleep apnea. [20] [21]

  6. Diffuse axonal injury - Wikipedia

    en.wikipedia.org/wiki/Diffuse_axonal_injury

    Tracts of axons, which appear white due to myelination, are referred to as white matter. Lesions in both grey and white matter are found in postmortem brains in CT and MRI exams. [9] Besides mechanical breakage of the axonal cytoskeleton, DAI pathology also includes secondary physiological changes, such as interrupted axonal transport ...

  7. Lasting brain changes seen in college athletes after concussion

    www.aol.com/news/2016-07-30-lasting-brain...

    The structure of the brain's white matter, which connects different regions, also changed. These changes can't be easily interpreted as damage, but they look different from athletes with a history ...

  8. Toxic leukoencephalopathy - Wikipedia

    en.wikipedia.org/wiki/Toxic_leukoencephalopathy

    Toxic leukoencephalopathy is a rare condition that is characterized by progressive damage (-pathy) to white matter (-leuko-) in the brain (-encephalo-), particularly myelin, due to causes such as exposure to substance use, environmental toxins, or chemotherapeutic drugs. The prevalence of this disease is infrequent and often goes unreported ...

  9. 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]