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Fetal fourth ventricle: US appearance and frequency of depiction.

Publication ,  Journal Article
Baumeister, LA; Hertzberg, BS; McNally, PJ; Kliewer, MA; Bowie, JD
Published in: Radiology
August 1994

PURPOSE: To define the normal appearance of the fetal fourth ventricle throughout gestation and ascertain an expected frequency of depiction at different gestational ages. MATERIALS AND METHODS: Three hundred ten consecutive second- and third-trimester fetuses were studied with ultrasound. The posterior fossa was examined to document the size and appearance of the fourth ventricle. RESULTS: The fourth ventricle was seen in 221 of the 310 fetuses (71.3%) and was most consistently demonstrated in the middle of the second trimester. At this stage of gestation, the fourth ventricle was almost always seen when the anatomic features of the posterior fossa were identified. The mean anteroposterior dimension of the fourth ventricle was 3.5 mm +/- 1.3 (standard deviation), and the mean width was 3.9 mm +/- 1.7. CONCLUSION: The fetal fourth ventricle can be seen in most fetuses beginning in the middle of the second trimester and increases in size with advancing gestation. It can be difficult to depict before the middle of the second trimester and late in the third trimester.

Duke Scholars

Published In

Radiology

DOI

ISSN

0033-8419

Publication Date

August 1994

Volume

192

Issue

2

Start / End Page

333 / 336

Location

United States

Related Subject Headings

  • Ultrasonography, Prenatal
  • Reference Values
  • Pregnancy
  • Nuclear Medicine & Medical Imaging
  • Humans
  • Gestational Age
  • Female
  • Cerebral Ventricles
  • 3202 Clinical sciences
  • 11 Medical and Health Sciences
 

Citation

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Baumeister, L. A., Hertzberg, B. S., McNally, P. J., Kliewer, M. A., & Bowie, J. D. (1994). Fetal fourth ventricle: US appearance and frequency of depiction. Radiology, 192(2), 333–336. https://doi.org/10.1148/radiology.192.2.8029392
Baumeister, L. A., B. S. Hertzberg, P. J. McNally, M. A. Kliewer, and J. D. Bowie. “Fetal fourth ventricle: US appearance and frequency of depiction.Radiology 192, no. 2 (August 1994): 333–36. https://doi.org/10.1148/radiology.192.2.8029392.
Baumeister LA, Hertzberg BS, McNally PJ, Kliewer MA, Bowie JD. Fetal fourth ventricle: US appearance and frequency of depiction. Radiology. 1994 Aug;192(2):333–6.
Baumeister, L. A., et al. “Fetal fourth ventricle: US appearance and frequency of depiction.Radiology, vol. 192, no. 2, Aug. 1994, pp. 333–36. Pubmed, doi:10.1148/radiology.192.2.8029392.
Baumeister LA, Hertzberg BS, McNally PJ, Kliewer MA, Bowie JD. Fetal fourth ventricle: US appearance and frequency of depiction. Radiology. 1994 Aug;192(2):333–336.
Journal cover image

Published In

Radiology

DOI

ISSN

0033-8419

Publication Date

August 1994

Volume

192

Issue

2

Start / End Page

333 / 336

Location

United States

Related Subject Headings

  • Ultrasonography, Prenatal
  • Reference Values
  • Pregnancy
  • Nuclear Medicine & Medical Imaging
  • Humans
  • Gestational Age
  • Female
  • Cerebral Ventricles
  • 3202 Clinical sciences
  • 11 Medical and Health Sciences