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Diffuse axonal injury
  1. Miguel Quintas-Neves,
  2. João Paulo Soares-Fernandes,
  3. Virgínia Mendes
  1. Neuroradiology Department, Hospital de Braga, Braga, Portugal
  1. Correspondence to Dr Miguel Quintas-Neves, Neuroradiology Department, Hospital de Braga, Braga 4710-243, Portugal; mlqneves{at}gmail.com

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A young adult patient was brought to the emergency department after a violent motorcycle accident. Neurological examination revealed absent verbal response, eye opening or movements with pain stimulation, and bilateral pupillary miosis. Brain MRI revealed lesions in the corpus callosum, and in the subcortical and periventricular white matter, which were hyperintense on fluid-attenuated inversion recovery sequence (figure 1A), and showed restricted diffusion on diffusion-weighted imaging (figure 1B). Subcortical microhaemorrhages were detected on T2* gradient echo sequence (figure …

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