Research News

Even small brain lesions raise risk of stroke and death, study finds

BMJ 2015; 351 doi: http://dx.doi.org/10.1136/bmj.h3621 (Published 07 July 2015) Cite this as: BMJ 2015;351:h3621
  1. Jacqui Wise
  1. 1London

Even very small brain lesions detected by magnetic resonance imaging (MRI) should not be dismissed, researchers have said.1

Subclinical brain infarctions are usually defined as larger than 3 mm in patients with no history of clinical stroke, and those that are smaller than this are typically ignored.

But a new study published in Annals of Internal Medicine found that, in …

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