Intrauterine linear echogenicities in the gravid uterus: What radiologists should know

Kyle Jensen, Karen Oh, Anne M. Kennedy, Roya Sohaey

Research output: Contribution to journalArticle

Abstract

Intrauterine linear echogenicity (ILE) is a common ultrasonographic finding in the gravid uterus and has variable causes and variable maternal and fetal outcomes. Correctly categorizing ILE during pregnancy is crucial for guiding surveillance and advanced imaging strategies. Common causes of ILE include membranes in multiple gestations, uterine synechiae with amniotic sheets, and uterine duplication anomalies. Less common causes include circumvallate placenta, chorioamniotic separation, and hemorrhage between membranes. Amniotic band syndrome is a rare but important diagnosis to consider, as it causes severe fetal defects. Imaging findings enable body stalk anomaly, a lethal defect, to be distinguished from amniotic bands, which although destructive are not necessarily lethal. This review describes the key imaging findings used to differentiate the various types of ILE in pregnancy, thus enabling accurate diagnosis and appropriate patient counseling.

Original languageEnglish (US)
Pages (from-to)642-657
Number of pages16
JournalRadiographics
Volume38
Issue number2
DOIs
StatePublished - Mar 1 2018

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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