• Vladimir Ivanovic, Stephan Seiler, Wassim Tarraf, Emily Crivello, Oliver Martinez, Richard B Lipton, Carmen R Isasi, Tatiana Gomez Copello, Gregory A Talavera, Linda C Gallo, Melissa Lamar, Fernando Testai, Neil Schneiderman, Marc D Gellman, Martha Daviglus, Hector M Gonzalez, Charles DeCarli, and Michael L Lipton.
• Department of Radiology, University of California Davis School of Medicine, Sacramento, CA, USA.
• J Neuroimaging. 2021 Nov 1; 31 (6): 116611751166-1175.

Background And PurposeThere is limited literature on the prevalence of incidental brain MRI findings in the Hispanic/Latino population, despite their increased prevalence of vascular disease and undertreatment of chronic conditions. The purpose of our study was to determine the prevalence of clinically relevant incidental findings on brain MRI examinations obtained as a part of the Study of Latinos-Investigation of NeuroCognitive Aging MRI (SOL-INCA-MRI) study.MethodsBrain MRI examinations were obtained on 1389 participants in the SOL-INCA-MRI study, a cross-sectional ancillary study of the Hispanic Community Health Study, Study of Latinos, which is a longitudinal, community-based study. Study design of SOL-INCA-MRI involves imaging cognitively normal and participants with mild cognitive impairment. Brain MRI findings were categorized as Level 1 (normal), Level 1.5 (findings of unclear medical significance), Level 2 (potential medical concern), or Level 3 (medically urgent). This article focuses on Level 2 and Level 3 findings.ResultsThe average age of the sample was 60.8 years (+/- 10.3 years), 66.1% were females. Level 2 and 3 findings were identified in 117 participants, (8.4%), of which 109 (7.8%) were recommended for medical follow-up (Level 2), and 8 (0.6%) were recommended for immediate medical attention (Level 3). Brain MRI findings consisted of chronic infarction in 33 (2.4%), vascular abnormality in 27 (1.9%), intracranial mass in 20 (1.4%), other intracranial findings in 28 (2.0%), and skull base/extracranial findings in 26 (1.9%) patients.ConclusionIncidental findings of clinical relevance were common among SOL-INCA-MRI participants, but rarely required urgent medical intervention.© 2021 American Society of Neuroimaging.

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