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  • Title: Perinatal outcomes of fetal abdominal cysts and comparison of prenatal and postnatal diagnoses.
    Author: Ozyuncu O, Canpolat FE, Ciftci AO, Yurdakok M, Onderoglu LS, Deren O.
    Journal: Fetal Diagn Ther; 2010; 28(3):153-9. PubMed ID: 20714120.
    Abstract:
    INTRODUCTION: The differential diagnosis of an abdominal cyst can be challenging, and an accurate diagnosis is crucial for optimal antenatal management. The aim of this study was to compare the ante- and postnatal diagnoses of cases with abdominal cyst and to determine the diagnostic accuracy of ultrasonography. MATERIAL AND METHODS: A database review was performed regarding the diagnosis of fetal abdominal cyst covering the period 2002-2009. Structural characteristics and localizations of the cysts in the abdomen were recorded. Ante- and postnatal diagnoses were classified into systems according to the origin of the cyst and were compared. Perinatal outcomes were obtained for all cases. RESULTS: 71 cases with an abdominal cyst were identified. The mean gestational age at the time of diagnosis was 25 ± 5.1 weeks. In 9 cases, there were extra-fetal structural abnormalities, and in 5 cases a chromosomal abnormality was determined. Seven pregnancies were terminated. Overall spontaneous mortality was 11/64 (17%). In 12/64 cases (18%), the cyst resolved at birth. After birth, nearly half of the cases required surgical correction and of these, 20% died. Sensitivity, specificity and positive predictive value of ultrasonography in identifying the system of origin were 88.1, 95.7 and 92.0%, respectively, with a 4.1% false-positive rate. CONCLUSION: Incorporation of different disciplines in the counseling, management and postpartum follow-up is crucial. Postnatal physical examination of fetuses with an abdominal cyst will help to prevent unnecessary surgery.
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