“…When a fetal cystic abdominal mass is detected, accurate differential diagnosis must be made with regard to possible intestinal duplication, omental cyst, mesenteric cyst, lymphangioma, choledochal cyst, urachal cyst, hydronephrosis, renal cyst and bladder distension [10]. It has been estimated that when prenatal aspiration has been performed, approximately 6% of those cases have been misdiagnosed [2,6]. Therefore, accurate prenatal diagnosis is imperative when prenatal aspiration is chosen.…”