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Cerebral microbleeds: a guide to detection and clinical relevance in different disease settings

Andreas Charidimou1, Anant Krishnan, David J Werring

  • 1Stroke Research Group, UCL Institute of Neurology, The National Hospital for Neurology and Neurosurgery, Queen Square, London, WC1N 3BG, UK.

Neuroradiology
|May 28, 2013
PubMed

Insights

Cerebral microbleeds, detected by advanced MRI, are key indicators of small vessel disease. Their identification impacts diagnosis, antithrombotic safety, and risks of hemorrhage, cognitive decline, and dementia.

Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Cerebral microbleeds are increasingly recognized as significant imaging markers of cerebral small vessel disease.
  • Advanced MRI techniques, including T2*-weighted and susceptibility-weighted sequences, enhance microbleed detection.

Purpose of the Study:

  • To provide a comprehensive guide on detecting cerebral microbleeds.
  • To elucidate the clinical relevance of microbleeds across various conditions.

Main Methods:

  • Comprehensive literature review.
  • Analysis of research and clinical practice findings.
  • Utilizing advanced MRI sequences (T2*-weighted, susceptibility-weighted).

Main Results:

  • Microbleeds are detected in patients with stroke, cognitive issues, healthy aging individuals, and rare diseases.
  • Detection rates are increasing due to improved MRI sensitivity.

Conclusions:

  • Cerebral microbleeds are crucial for diagnosing small vessel disease.
  • Microbleed detection informs antithrombotic therapy safety.
  • Microbleeds are linked to increased risk of intracerebral hemorrhage, cognitive impairment, and dementia.

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