RT Book, Section A1 Bianchi, Diana W. A1 Crombleholme, Timothy M. A1 D'Alton, Mary E. A1 Malone, Fergal D. SR Print(0) ID 1106398857 T1 Cystic Lesions of the Abdomen T2 Fetology: Diagnosis and Management of the Fetal Patient, 2e YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 978-0-07-144201-5 LK obgyn.mhmedical.com/content.aspx?aid=1106398857 RD 2024/04/16 AB Key PointsCystic abdominal lesions are relatively common.Diagnosis of the underlying etiology of a cystic abdominal mass may be difficult but intimate association with adjacent structures may provide clues to diagnosis.Fetal MRI may be helpful in determining the cyst’s origin.Sonographic evidence of associated anomalies should be sought.Obstruction of bowel and compression of adjacent organs is common and may result in polyhydramnios.Cyst aspiration in utero is rarely indicated.