Management of prenatal ovarian cysts

概要

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Objectives: The aim of the present study was to analyze the antenatal and postnatal outcome of fetal ovarian cysts in relation to their ultrasonographic pattern and size. Methods: Sixteen fetal ovarian cysts were diagnosed in 16 fetuses and followed with serial ultrasonograms in utero and after birth until spontaneous or surgical resolution. Results: Eleven fetal ovarian cysts were simple cysts at first prenatal scan but 3 of the 11 became complex cysts at last prenatal scan and required postnatal laparoscopic surgery. Seven of the 11 simple cysts (63%) disappeared on follow up imaging by ultrasonograms or MRI during pregnancy or within 2 months after birth. The rate of spontaneous resolution of simple cysts was higher than that of complex cysts (40.0%). The mean maximum diameter of the ovarian cysts before delivery that were subsequently excised surgically at postnatal period (50±13.4 mm) was not different from that of ovarian cysts that resolved spontaneously (42.8±12.8 mm, P= 0.2918).Conclusion: In our study, cyst size did not predict the risk of ovarian loss. The opportunity of laparoscopic exploration versus conservative management needs to be investigated because some complex cysts resolved spontaneously in the postnatal period.
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