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Related Concept Videos

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Morphological patterns of fetal lateral ventricular border irregularities: descriptive study.

E Hadi1,2,3, A Sorotzkin3, L Haddad2,3,4

  • 1Diagnostic Ultrasound Unit, The Institute of Obstetrical and Gynecological Imaging, Department of Obstetrics and Gynecology, Sheba Medical Center, Ramat Gan, Israel.

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology
|April 16, 2026
PubMed
Summary

Classifying fetal lateral ventricular border irregularities (LVBI) helps identify potential causes of brain anomalies. Four patterns of LVBI were identified, offering insights into developmental or disruptive etiologies.

Keywords:
MRIbrain disruptionfetal brainlateral ventriclesmalformations of cortical developmentneurosonography

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Area of Science:

  • Prenatal diagnosis
  • Fetal neuroimaging
  • Developmental neuroscience

Background:

  • Lateral ventricular border irregularities (LVBI) are observed in prenatal fetal brain condition diagnoses.
  • Understanding these morphological alterations is crucial for accurate diagnosis and prognosis.

Purpose of the Study:

  • To classify the morphological patterns of fetal lateral ventricular border irregularities (LVBI).
  • To explore potential etiologies associated with different LVBI patterns.

Main Methods:

  • Multicenter retrospective study of prenatally diagnosed LVBI cases (2014-2022).
  • Utilized neurosonography and fetal MRI to characterize LVBI morphology and location.
  • Collected data on genetic testing, maternal TORCH serology, and postnatal outcomes.

Main Results:

  • Sixty-six fetuses were analyzed, with four main LVBI patterns identified: protrusions, indentations, undulations, and mixed.
  • Nodular protrusions correlated with neuronal migration disorders (e.g., periventricular nodular heterotopia).
  • Non-nodular protrusions were linked to disruptive injuries (e.g., intraventricular hemorrhage, fetal CMV infection).
  • Indentations and mixed patterns were associated with porencephalic cysts, venous infarction, schizencephaly, and cortical development malformations.

Conclusions:

  • Characterizing LVBI patterns provides a framework for describing fetal brain anomalies.
  • Morphological configurations suggest diverse developmental or disruptive etiologies.
  • Further research is needed to establish causal relationships between LVBI patterns and specific etiologies.