abnormal mri brain Progressive Multifocal Leukoencephalopathy

  • —CT scans low-density lesions in white matter.
  • — Early involvement -asymmetrical pattern,
  • —later disease -symmetrical and diffusely confluent.
  • —Contrast enhancement is usually absent but may occur.[155.
  • —MRI shows a focal region of hypointensity in the white matter on T1-weighted images and hyperintensity on T2-weighted images
  • —. Involvement of the subcortical U-fiber is characteristic for PML, as opposed to other HIV- related encephalopathy.
  • . MRI is more sensitive than CT in detecting abnormalities.
  • abnormal mri brain
  • abnormal mri brain Progressive Multifocal
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