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Incidental findings in pediatric brain MRIs common, though not serious;JAMA

Dr Satabdi SahaBy Dr Satabdi SahaPublished On 2021-03-28T10:45:29+05:30  |  Updated On 2021-03-28T10:45:36+05:30
Incidental findings in pediatric brain MRIs common, though not serious;JAMA

Incidental findings in brain MRI and findings with potential clinical significance are both common in the general pediatric population, suggests the findings of a recently published study in JAMA Neurology.The research team further highlighted that "Incidental findings noted on brain magnetic resonance imaging appear to be common and 4% of children have incidental findings that...

Incidental findings in brain MRI and findings with potential clinical significance are both common in the general pediatric population, suggests the findings of a recently published study in JAMA Neurology.

The research team further highlighted that "Incidental findings noted on brain magnetic resonance imaging appear to be common and 4% of children have incidental findings that prompt further clinical evaluation; these estimates of incidental findings' prevalence and significance may provide context for interpreting similar findings on clinical neuroimaging and inform discussions about the appropriateness of screening for brain magnetic resonance imaging findings in the research setting."

Incidental findings (IFs) are unexpected abnormalities discovered during imaging and can range from normal anatomic variants to findings requiring urgent medical intervention. In the case of brain magnetic resonance imaging (MRI), reliable data about the prevalence and significance of IFs in the general population are limited, making it difficult to anticipate, communicate, and manage these findings.

To bridge this gap, researchers sought to carry out a study to determine the overall prevalence of IFs in brain MRI in the nonclinical pediatric population as well as the rates of specific findings and findings for which clinical referral is recommended.

This cohort study was based on the April 2019 release of baseline data from 11 810 children aged 9 to 10 years who were enrolled and completed baseline neuroimaging in the Adolescent Brain Cognitive Development (ABCD) study, the largest US population-based longitudinal observational study of brain development and child health, between September 1, 2016, and November 15, 2018.

Participants were enrolled at 21 sites across the US designed to mirror the demographic characteristics of the US population. Baseline structural MRIs were centrally reviewed for IFs by board-certified neuroradiologists and findings were described and categorized (category 1, no abnormal findings; 2, no referral recommended; 3; consider referral; and 4, consider immediate referral). Children were enrolled through a broad school-based recruitment process in which all children of eligible age at selected schools were invited to participate. Exclusion criteria were severe sensory, intellectual, medical, or neurologic disorders that would preclude or interfere with study participation. During the enrollment process, demographic data were monitored to ensure that the study met targets for sex, socioeconomic, ethnic, and racial diversity. Data were analyzed from March 15, 2018, to November 20, 2020.

Main Outcomes assessed were percentage of children with IFs in each category and prevalence of specific IFs.

Data analysis revealed some interesting facts.

  • A total of 11 679 children (52.1% boys, mean [SD] age, 9.9 [0.62] years) had interpretable baseline structural MRI results.
  • Of these, 2464 participants (21.1%) had IFs, including 2013 children (17.2%) assigned to category 2, 431 (3.7%) assigned to category 3, and 20 (0.2%) assigned to category 4.
  • Overall rates of IFs did not differ significantly between singleton and twin gestations or between monozygotic and dizygotic twins, but heritability analysis showed heritability for the presence or absence of IFs (h2 = 0.260; 95% CI, 0.135-0.387).

For the full article follow the link: 10.1001/jamaneurol.2021.0306

Primary source:JAMA Neurology



JAMA Neurology pediatric brain MRI INCIDENTAL FINDINGS 
Dr Satabdi Saha
Dr Satabdi Saha

    Dr Satabdi Saha (BDS, MDS) is a practicing pediatric dentist with a keen interest in new medical researches and updates. She has completed her BDS from North Bengal Dental College ,Darjeeling. Then she went on to secure an ALL INDIA NEET PG rank and completed her MDS from the first dental college in the country – Dr R. Ahmed Dental College and Hospital. She is currently attached to The Marwari Relief Society Hospital as a consultant along with private practice of 2 years. She has published scientific papers in national and international journals. Her strong passion of sharing knowledge with the medical fraternity has motivated her to be a part of Medical Dialogues.

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