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Abnormal brain MRIs (magnetic resonance imagings) are common:

This article was originally published in Clinica

Executive Summary

Abnormal brain MRIs are common among healthy people, although only a small number require further investigation, US researchers report in the Journal of the American Medical Association (July 7). However the findings show that "the true rate of primary brain neoplasm may be higher than that reported", say the researchers. Dr Gregory Katzman and colleagues from the US National Institutes of Health in Bethesda, Maryland found that out of 1,000 healthy volunteers who underwent magnetic resonance imaging (MRI) of the brain, 180 had abnormal scans. In most cases (151) the abnormal MRIs were due to sinusitis, which did not need further treatment. Of the remainder, 11 required urgent referral, three of whom had possible brain tumours.

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