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Abstract
Objective: Fetal ovarian cysts (FOCs) are the most common intra-abdominal cystic structures formed during antenatal period. The aim of this study was to evaluate prenatal characteristics and postnatal outcome of sonographically suspected FOCs.
Methods: We reviewed prenatal sonographic data and postnatal medical records of 29 fetuses that were suspected to have ovarian cysts in our hospital, between January 2001 and September 2012. Perinatal outcomes were obtained for all cases.
Results: In a total of 29 cases, we confirmed initial antenatal diagnosis of ovarian cyst in 20 cases (68.9%) at postnatal period. Diagnosis of remaining nine cases revealed urogenital sinus anomaly in four cases, multicystic dysplastic kidney in two cases, mesenteric cyst in one case, intestinal duplication cyst in one case and lymphangioma in one case postnatally. In seven of the 20 ovarian cysts (35%), resolution of the cyst occurred prenatally. Intrauterine death of a fetus occurred at second trimester. In the postnatal period, most often cases (11/20) were spontaneously resolved and surgery was performed on two babies due to ovarian torsion (2/20).
Conclusion: Differential diagnosis of FOCs should always include genitourinary tract disorders, gastrointestinal tract disorders and other intra-abdominal cystic structures.