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Acute hemorrhagic leukoencephalitis

MRIs obtained from a comatose patient. Axial fluid-attenuated inversion recovery (FLAIR) images (top panels) show extensive white matter abnormal signal intensities in both hemispheres and in white matter adjacent to the insular cortices and olfactory gyri. Axial T2-weighted sequences (lower panels) show bihemispheric signal abnormalities as well as abnormalities of the medial temporal lobes with mass effects. Arrows indicate focus of reduced signal, consistent with hemorrhage. Clinical details of the case and parts of the composite figure have been published. (Gibbs WN, Kreidie MA, Kim RC, Hasso AN. Acute hemorrhagic leukoencephalitis. Neuroimaging features and neuropathologic diagnosis. J Comput Assist Tomogr 2005;29:689-93.) (Contributed by A Hasso, University of California, Irvine.)

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  • Argentine hemorrhagic fever
  • Bolivian hemorrhagic fever
  • Congo-Crimean hemorrhagic fever
  • Dengue hemorrhagic fever
  • Dengue virus
  • Ebola virus
  • Guanarito virus
  • Hantaan virus
  • Hemorrhagic fever with renal syndrome
  • Junin virus
  • Kyasanur Forest disease
  • Lassa fever virus
  • Lymphocytic choriomeningitis virus
  • Machupo virus
  • Marburg virus
  • Omsk hemorrhagic fever virus
  • Puumala (nephropathia epidemica)
  • Rift Valley fever virus
  • Sabia virus
  • Seoul virus
  • South American hemorrhagic fever
  • Venezuelan hemorrhagic fever
  • White Water Arroyo virus
  • Yellow fever
  • “Lymphocytic choriomeningitis virus like” arenavirus infections