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Fetal magnetic resonance imaging (MRI) enhances the diagnosis of congenital body anomalies

Research output: Contribution to journalArticlepeer-review

Joseph R. Davidson, Kirsty Brennan, Jacqueline Matthew, Zoe Hesketh, David Lloyd, Alexia Egloff, Iain E. Yardley, Mary A. Rutherford, Lisa Story

Original languageEnglish
Pages (from-to)239-244
Number of pages6
JournalJournal of Pediatric Surgery
Volume57
Issue number2
Early online date2 Feb 2022
DOIs
Accepted/In press2021
E-pub ahead of print2 Feb 2022
PublishedFeb 2022

Bibliographical note

Publisher Copyright: © 2021 Elsevier Inc.

King's Authors

Abstract

Aims: We sought to assess variability and concordance between fetal MRI and ultrasound (USS) in the evaluation of fetal body abnormalities. Methods: All fetal body anomalies reported on F-MRI within the iFIND database (http://www.ifindproject.com) were included. Differences in findings regarding anomalies on contemporaneous USS were explored. Three clinical specialists evaluated each case independently, and the anomaly severity was graded: as “insignificant” to “lethal”. The value of MRI in alteration of either antenatal or postnatal care was established. Results: Fifty-four cases were identified consisting of 5 healthy controls, 37 with USS-identified body anomalies, and 12 with known CNS or cardiac anomalies. In fetuses with a known body anomaly, information on the MRI was relevant to change the clinical course in 59% of cases. There was also an incidental detection rate of 7% in fetuses with known cardiac or CNS anomalies, or 1.5% of normal control, although these were rarely clinically relevant. Importantly, fetuses undergoing MRI for cardiac concerns did have major anomalies that were missed (one case of oesophageal atresia and two cases of ARM). Conclusions: In cases where fetal anomalies are suspected, F-MRI is a valuable means of further characterizing anomalies and may detect additional anomalies in fetuses with recognized cardiac or CNS anomalies. In fetuses with a recognized body anomaly, more than half of those scanned by MRI had information available which changed clinical management. Importantly there were also incidental findings in healthy control fetuses, so the management of these needs to be recognized in fetal MRI research. Level of evidence: II, Prospective cohort study.

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