Sonographic examination of the fetal vermis tricks for obtaining the narrow midline target with 3-dimensional volume contrast imaging in the C plane

Ori Shen, Simcha Yagel, Dan V. Valsky, Roni Rabinowitz, Yaron Zalel

Research output: Contribution to journalArticlepeer-review

Abstract

Prenatal imaging of the fetal cerebellar vermis is challenging even for experienced examiners. We found that by aiming the ultrasound beam through the mastoid fontanel and then rotating the data set in a multiplanar reconstruction and applying volume contrast imaging in the C plane, we were consistently able to obtain images of the vermis in the standard midsagittal plane. Images of the fetal vermis suitable for morphologic evaluation were obtained in 408 of 414 cases (98.5%) at gestational ages of 18 weeks to 31 weeks 6 days; the examination time was only minimally increased.

Original languageEnglish
Pages (from-to)827-831
Number of pages5
JournalJournal of Ultrasound in Medicine
Volume30
Issue number6
DOIs
StatePublished - 1 Jun 2011
Externally publishedYes

Keywords

  • 3-dimensional sonography
  • Cerebellum
  • Fetal vermis
  • Multiplanar reconstruction; posterior fossa
  • Volume contrast imaging in the C plane

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