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Diffusion imaging shows abnormalities after blunt head trauma when conventional magnetic resonance imaging is normal
  1. F J Rugg-Gunna,
  2. M R Symmsa,
  3. G J Barkera,
  4. R Greenwoodb,
  5. J S Duncana
  1. aThe MRI Unit, National Society for Epilepsy, and Epilepsy Research Group and NMR Research Unit, University Department of Clinical Neurology, Institute of Neurology, University College London, Queen Square, London WC1N 3BG, UK, bThe National Hospital for Neurology and Neurosurgery, University College London, Queen Square, London WC1N 3BG, UK
  1. Professor J S Duncan, National Society for Epilepsy, Chalfont St Peter, Gerrards Cross, Bucks. SL9 0RJ, UKj.duncan{at}ion.ucl.ac.uk

Abstract

The investigation and management of patients after head injury must include the accurate and complete identification of cerebral damage. Using diffusion tensor imaging, abnormalities of diffusion in patients with head injuries and unremarkable MRI have been shown for the first time.

  • diffusion tensor imaging
  • head injury
  • mean diffusivity
  • fractional anisotropy

https://doi.org/10.1136/jnnp.70.4.530

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