Neuroimaging findings in human prion disease

R G Macfarlane1, S J Wroe, J Collinge

  • 1MRC Prion Unit, Department of Neurodegenerative Disease, Institute of Neurology, London, UK. r.macfarlane@prion.ucl.ac.uk

Insights

Magnetic resonance imaging (MRI) is increasingly vital for diagnosing prion diseases like variant Creutzfeldt-Jakob disease. Future imaging advancements may enhance diagnosis and aid therapeutic trials for neurodegenerative conditions.

Area of Science:

  • Neurology
  • Radiology
  • Neurodegenerative Diseases

Background:

  • Imaging, particularly MRI, is crucial for investigating dementia and neurodegenerative disorders.
  • Historically, imaging's role in prion disease was primarily to exclude other conditions.
  • Advancements in MRI technology and its correlation with clinical findings have elevated its diagnostic importance.

Purpose of the Study:

  • To review the current understanding of imaging appearances in human prion disease.
  • To highlight the evolving role of MRI in diagnosing prion-related disorders.
  • To discuss the future potential of imaging in prion disease diagnosis and management.

Main Methods:

  • Review of current literature on neuroimaging in human prion disease.
  • Analysis of MRI findings in relation to prion disease diagnosis and subtypes.
  • Discussion of diagnostic criteria evolution incorporating imaging.

Main Results:

  • MRI is now integral to the diagnostic criteria for variant Creutzfeldt-Jakob disease.
  • Established imaging patterns correlate with specific prion disease strains and genotypes.
  • Increased experience with imaging in prion disease enhances diagnostic accuracy.

Conclusions:

  • MRI plays a significant and expanding role in the diagnosis of human prion diseases.
  • Future imaging techniques may improve diagnostic specificity, reduce invasive testing, and support therapeutic interventions.
  • Understanding imaging patterns is key to advancing prion disease research and patient care.