Diagnostic accuracy and clinical outcomes associated with prenatal diagnosis of fetal absent cavum septi pellucidi

Rachel A. Pilliod, David Pettersson, Thomas Gibson, Ladawna Gievers, Amanda Kim, Roya Sohaey, Karen Oh, Brian Shaffer

Research output: Contribution to journalArticle

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Abstract

Background: Absence of the cavum septi pellucidi (CSP) on prenatal imaging is historically associated with additional anomalies; however, recent cases of isolated absent CSP have also been identified. This study seeks to assess the accuracy of prenatal imaging in evaluating isolated absent CSP and to describe the spectrum of clinical outcomes. Methods: This is a retrospective observational study of all prenatally diagnosed absent CSP cases between 2011 and 2016 at our institution. Cases with additional structural parenchymal abnormalities were excluded. Clinical outcomes were abstracted from available records. Results: We identified 15 cases of prenatally diagnosed isolated absent CSP. All patients were initially diagnosed on ultrasound (US) and 11/15 patients had fetal magnetic resonance imaging (MRI) confirming the diagnosis. Prenatal US and MRI were concordant in all cases. Of the continuing pregnancies, 2 neonatal deaths occurred related to extreme prematurity. Two cases of septo-optic dysplasia were identified in our cohort. Discussion: In this study, fetal MRI and US had a high degree of accuracy with concordant postnatal imaging. Our study is similar to other case series suggesting that a range of clinical outcomes is possible with isolated absent CSP, but long-term patient follow up is necessary.

Original languageEnglish (US)
JournalPrenatal Diagnosis
DOIs
StateAccepted/In press - Jan 1 2018

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Prenatal Diagnosis
Magnetic Resonance Imaging
Septo-Optic Dysplasia
Observational Studies
Retrospective Studies
Pregnancy

ASJC Scopus subject areas

  • Obstetrics and Gynecology
  • Genetics(clinical)

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Diagnostic accuracy and clinical outcomes associated with prenatal diagnosis of fetal absent cavum septi pellucidi. / Pilliod, Rachel A.; Pettersson, David; Gibson, Thomas; Gievers, Ladawna; Kim, Amanda; Sohaey, Roya; Oh, Karen; Shaffer, Brian.

In: Prenatal Diagnosis, 01.01.2018.

Research output: Contribution to journalArticle

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AU - Sohaey, Roya

AU - Oh, Karen

AU - Shaffer, Brian

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