Incidental Findings Common with Brain MRI

ROTTERDAM, Netherlands

Incidental brain findings on MRI may be common once people hit middle age, although it is unclear what clinicians should do about such findings, researchers said.

MRI showed asymptomatic strokes in 7.2% of the general population in Rotterdam, according to a population-based study published in the Nov. 1 issue of the New England Journal of Medicine.

The prevalence of incidentally discovered cerebral aneurysms was 1.8% and for benign tumors it was 1.6%, reported Aad van der Lugt, M.D., of Erasmus MC University Medical Center here, and colleagues.

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