The use of fetal neurosonography and brain MRI in cases of cytomegalovirus infection during pregnancy: A retrospective analysis with outcome correlation

Roee Birnbaum*, Liat Ben-Sira, Tally Lerman-Sagie, Gustavo Malinger

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To analyze ultrasound (US) and magnetic resonance imaging (MRI) results and developmental outcome in cases of maternal primary cytomegalovirus (CMV) infection during pregnancy. Methods: We retrospectively reviewed the results of fetal neurosonography and brain MRI of CMV-infected fetuses (Group 1). Cases of maternal infection in which the fetal status was unknown, and subsequently had a negative CMV postnatal urine analysis, were independently analyzed (Group 2). Imaging results were classified as follows: positive, negative, or inconclusive. Developmental landmarks were followed up. Results: Eighty-one women were included in the study: 48 (59.2%) in Group 1 and 33 (40.8%) in Group 2. In Group 1, termination of pregnancy was performed in 8 cases (16.7%) following the diagnosis of brain abnormalities. Among the remaining cases, concordance rate between US and MRI was 78%. False negative rates for US and MRI were 5.5% and 6.4%, respectively (hearing deficits). For MRI, we found 17.5% of false positive/inconclusive results, while for the US, we found 5% of inconclusive results. In Group 2, false positive rates for US and MRI were 6.5% and 12.9%, respectively. Conclusions: Adding MRI in CMV-infected cases with a normal neurosonographic follow-up should be weighed against a nonnegligible rate of false positive and inconclusive findings.

Original languageEnglish
Pages (from-to)1335-1342
Number of pages8
JournalPrenatal Diagnosis
Volume37
Issue number13
DOIs
StatePublished - Dec 2017

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