Journal
FETAL AND PEDIATRIC PATHOLOGY
Volume 42, Issue 3, Pages 394-399Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15513815.2022.2158052
Keywords
Fetal megacystis; lower urinary tract obstruction; obstetrical ultrasonography
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This study evaluated the obstetrical outcomes, ultrasonographic characteristics, and final diagnosis of fetal megacystis (FM). The results showed that most FM cases were detected in the second trimester, and the majority of pregnancies were electively terminated. FM was often associated with other ultrasound abnormalities, with the most common being umbilical cord cyst. About 44% of FM cases had an identifiable cause.
Purpose: We evaluated the obstetrical outcomes, ultrasonographic characteristics, and final diagnosis in pregnancies with fetal megacystis (FM). Methods: We evaluated the obstetrical outcomes and associated structural abnormalities of fetuses with FM detected between FM between 2000 and 2021. Results: 17 FM were diagnosed, 16 had follow up. 16 were early megacystis. 14/16 (87.5%) of pregnancies were terminated, 1/16 (6.25%) resulted in intrauterine death, and 1/16 (6.25%) survived. FM was associated with 13 other abnormal sonographic findings in 12/16 (75%) pregnancies. The most common associated ultrasound abnormality was umbilical cord cyst in 3/16 (18.75%). Recognized etiologies included posterior urethral valves (2), trisomy 18 (2), trisomy 13 (1), Prune Belly syndrome (1), and Megacystis-Microcolon-Hypoperistalsis syndrome (1). Conclusion: Most FM are detected in the 2nd trimester, most are electively terminated, are associated with other ultrasonic abnormalities in 75%, most commonly umbilical cord cyst, and have an identifiable cause in 44%.
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