Donald School Journal of Ultrasound in Obstetrics and Gynecology

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VOLUME 18 , ISSUE 3 ( July-September, 2024 ) > List of Articles

PICTURE OF THE MONTH

Two Fetuses with Prominent Eustachian Valve in One Family: Fetal Echocardiographic Features

Toshiyuki Hata, Miyu Konishi, Saori Bouno, Aya Koyanagi, Takahito Miyake, Takahiro Eitoku

Keywords : 3D reconstruction, Fetal echocardiography, HDlive, Prominent eustachian valve, Sibling occurrence

Citation Information : Hata T, Konishi M, Bouno S, Koyanagi A, Miyake T, Eitoku T. Two Fetuses with Prominent Eustachian Valve in One Family: Fetal Echocardiographic Features. Donald School J Ultrasound Obstet Gynecol 2024; 18 (3):209-211.

DOI: 10.5005/jp-journals-10009-2030

License: CC BY-NC 4.0

Published Online: 30-09-2024

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Background: There have been some reports on prenatal diagnosis of a prominent eustachian valve, which can mimic a cardiac tumor in the right atrium. However, there has been no report on the sibling occurrence of persistent eustachian valves. Here, we present two fetuses (brothers) with a prominent eustachian valve in one family, diagnosed prenatally with fetal echocardiography and HDlive. Case description: In the first fetus (older brother), fetal echocardiography with second-trimester fetal screening showed a mobile, elongated, solid tumor (2.9 mm) at the base of the right atrium at 19 weeks and 3 days of gestation. The neonatal echocardiographic diagnosis was persistent eustachian valve. In the second fetus (younger brother), fetal echocardiography with third-trimester fetal screening showed a mobile, round, solid tumor (3.4 × 2.5 mm) at the base of the right atrium at 29 weeks and 4 days of gestation. HDlive clearly demonstrated a round tumor vibrating left and right, which was synchronized with systole and diastole, near the inferior vena cava. The neonatal echocardiographic diagnosis was persistent eustachian valve. Conclusion: This is the first report on two fetuses (brothers) with a prominent eustachian valve in one family. HDlive facilitates visualization of three-dimensional fetal intracardiac structures, such as a prominent eustachian valve.


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