Incidental magnetic resonance diffusion-weighted imaging-positive lesions are rare in neurologically asymptomatic community-dwelling adults.

Abstract:

BACKGROUND AND PURPOSE:Incidental magnetic resonance diffusion-weighted imaging (DWI)-positive lesions, considered to represent small acute infarcts, have been detected in patients with cerebral small vessel diseases or cognitive impairment, but the prevalence in the community population is unknown. METHODS:DWI sequences collected in 793 participants in the Prospective Urban Rural Epidemiological (PURE) study were reviewed for DWI lesions consistent with small acute infarcts. RESULTS:No DWI-positive lesions were detected (0%, 95% confidence interval, 0-0.5). CONCLUSIONS:DWI-positive lesions are rare in an asymptomatic community population. The prevalence of DWI-positive lesions in the community seems to be lower than in patients with cerebral amyloid angiopathy, intracerebral hemorrhage, or cognitive impairment.

journal_name

Stroke

journal_title

Stroke

authors

Batool S,O'Donnell M,Sharma M,Islam S,Dagenais GR,Poirier P,Lear SA,Wielgosz A,Teo K,Stotts G,McCreary CR,Frayne R,DeJesus J,Rangarajan S,Yusuf S,Smith EE,PURE Study Investigators.

doi

10.1161/STROKEAHA.114.005782

subject

Has Abstract

pub_date

2014-07-01 00:00:00

pages

2115-7

issue

7

eissn

0039-2499

issn

1524-4628

pii

STROKEAHA.114.005782

journal_volume

45

pub_type

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