Fetal abdominal cysts: Predicting adverse outcomes

Garcia‐Aguilar, Paula; Maíz, Nerea; Rodó, Carlota; Garcia‐Manau, Pablo; Arévalo, Sílvia; Molino, Jose Andrés; Burrieza, Gabriela Guillén; Carreras, Elena

doi:10.1111/aogs.14584

Acta Obstet Gynecol Scand

2023

DOI: 10.1111/aogs.14584

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Fetal abdominal cysts: Predicting adverse outcomes

Paula Garcia‐Aguilar

Nerea Maíz

Carlota Rodó

et al.

Abstract: Introduction:The primary aim of the study was to identify risk factors associated with fetal or neonatal loss, neonatal morbidity, and the need for surgery in fetuses diagnosed with an abdominal cyst. The secondary aim was to compare the characteristics of the cyst according to trimester at diagnosis.

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Management and outcome of fetal abdominal cyst in first trimester: systematic review of the literature

Passananti,

Bevilacqua,

di Marco

et al. 2024

Ultrasound in Obstet & Gyne

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ObjectivesThe finding of an abdominal cyst during pregnancy has an estimated prevalence of 1 in 1000 pregnancies, mostly in second and third trimester. The detection of a fetal abdominal cyst during the first trimester scan is a rare event, whose natural history and prognosis are often unknown and unpredictable as these anomalies can be related to various underlying conditions and originate from different structures. The aim of this study is to evaluate the outcome of fetal abdominal cysts detected in the first trimester in order to understand their possible clinical significance and to offer the proper management according to the available data.MethodsWe present a case report of a first trimester fetal abdominal cyst detected with subsequent diagnosis of congenital multiple arthrogryposis and we performed a systematic review of the literature to identify the incidence and the outcomes of similar cases. The systematic literature review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta‐Analyses (PRISMA) statement 25 and registered with PROSPERO (CRD42023491729).ResultsA total of 60 cases of first trimester abdominal cysts were included. Of these, 35% were associated with concurrent or late onset structural anomalies, as in our case report, and 65% were isolated. In pregnancies with isolated fetal abdominal cysts, 56% had a completely normal outcome.ConclusionsThe finding of an abdominal cyst during the first trimester of pregnancy is in most cases an isolated event with a moderate to good prognosis but it could also be an early sign of other associated abnormalities, including arthrogryposis. Increased ultrasound surveillance and additional genetic testing to rule out possible associated anomalies are pivotal to assess the risk of adverse pregnancy outcomes and to provide appropriate counselling to the patient.This article is protected by copyright. All rights reserved.

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