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CC BY-NC-ND 4.0 · Journal of Fetal Medicine 2022; 09(02): 45-48
DOI: 10.1007/s40556-022-00332-y
Case Reports

Altering Appearance of Fetal Enteric Duplication Cysts: The Gut Signature Sign and Other Indications for Prenatal Diagnosis

Kotoi Tsurane 
1   Department of Obstetrics and Gynecology, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu-shi, 183-8524, Tokyo, Japan
,
Katsusuke Ozawa
2   National Center for Child Health and Development (NCCHD), Center of Maternal-Fetal, Neonatal and Reproductive Medicine, 2-10-1 Okura, Setagaya-ku, 157-8535, Tokyo, Japan
,
Minako Matsuda
1   Department of Obstetrics and Gynecology, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu-shi, 183-8524, Tokyo, Japan
,
Mayu Kuriyama
1   Department of Obstetrics and Gynecology, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu-shi, 183-8524, Tokyo, Japan
,
Izumi Honda
1   Department of Obstetrics and Gynecology, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu-shi, 183-8524, Tokyo, Japan
,
Naoki Shimojima
3   Department of Surgery, Tokyo Metropolitan Children’s Medical Center, 2-8-29 Musashidai, 183-8561, Fuchu, Tokyo, Japan
,
Kentaro Matsuoka
4   Department of Pathology, Tokyo Metropolitan Children’s Medical Center, 2-8-29 Musashidai, 183-8561, Fuchu, Tokyo, Japan
,
Naoyuki Miyasaka
5   Department of Comprehensive Reproductive Medicine, Tokyo Medical and Dental University Hospital, 1-5-45 Yushima, Bunkyo-ku, 113-8519, Tokyo, Japan
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Abstract

Gatrointestinal duplication cysts are congenital anomalies that can be associated with severe adverse outcomes, such as hemorrhage, intestinal obstruction, or intestinal torsion. Despite their substantial postnatal impact, antenatal scans have been reported to identify only 20–30% of such cases. Although the gut signature sign is considered to be relatively specific in the diagnosis of enteric duplication cysts, the classic five-layered appearance is not always easy to demonstrate in the prenatal setting. We present a case of a fetal enteric duplication cysts that presented as a migrating, peristaltic cyst prenatally with the positive ‘bilayer sign.’ Given the challenging circumstances for diagnosis, we also provide a few insights on the altering appearance of the gut signature sign and describe other practical ultrasonic features used to diagnose enteric duplication cysts.

Keywords

Enteric duplication cyst - Bowel duplication cyst - Prenatal diagnosis - Gut signature sign - Congenital anomalies - Bilayer sign


Publication History

Received: 06 August 2021

Accepted: 10 January 2022

Article published online:
04 May 2023

© 2022. Society of Fetal Medicine. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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