Isolated ventriculomegaly on prenatal ultrasound: what does fetal MRI add?

Journal of Medical Imaging and Radiation Oncology
Tejaswi KandulaStacy K Goergen

Abstract

Cerebral ventriculomegaly is one of the most commonly detected fetal anomalies at the midtrimester ultrasound. Current evidence suggests that magnetic resonance imaging (MRI) is indicated when the isolated ventriculomegaly (IVM) on ultrasound is severe (>15 mm), but there is less agreement when IVM is mild or moderate (10-15 mm). The current study aimed to determine the frequency and nature of additional findings on MRI in IVM and their relationship to the severity of VM and gestational age. Data were gathered prospectively from all pregnant women with ultrasound-diagnosed IVM referred for MRI between November 2006 and February 2013. Cases with IVM and no other suspected cranial abnormality on a tertiary ultrasound performed at our institution, at or after 20 weeks gestation, were included. Of the 59 fetuses with unilateral or bilateral IVM, additional findings were seen on MRI in 10 cases (17%) and half of these findings were identified in fetuses with mild IVM. Five of 40 (12.5%) fetuses with mild IVM had additional findings and 3/5 (60%) were potentially clinically significant. No additional abnormalities were identified in fetuses less than or equal to 24 weeks gestation with mild or moderate IVM. There was no statistically...Continue Reading

References

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Citations

Oct 8, 2015·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·L F GonçalvesR Romero
Jan 7, 2017·AJNR. American Journal of Neuroradiology·E BarzilayE Katorza
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Sep 12, 2017·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Michal Fishel-BartalEldad Katorza
Jan 10, 2020·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·UNKNOWN ENSO Working Group
Aug 31, 2018·Journal of Perinatology : Official Journal of the California Perinatal Association·Jenna A KatzSusan R Hintz
May 17, 2017·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Jared M PisapiaGregory G Heuer
Dec 15, 2018·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·D Di MascioF D'Antonio
Mar 26, 2019·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·D PaladiniA Rossi
Oct 3, 2020·European Journal of Paediatric Neurology : EJPN : Official Journal of the European Paediatric Neurology Society·Magdalena NowakHubert Huras
May 28, 2020·European Journal of Obstetrics, Gynecology, and Reproductive Biology·Atakan TanacanMehmet Sinan Beksac

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