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目的:探讨产前诊断的新生儿卵巢囊肿的治疗策略。方法:回顾性分析2017年1月至2019年6月产前诊断、出生后手术治疗的新生儿卵巢囊肿的临床资料，根据患儿手术治疗时年龄，分为新生儿组(出生10～28 d，18例)和小婴儿组(出生28 d至6个月，15例)。影像资料包括产前检查和术前B型超声结果、磁共振成像(MRI)；术中所见卵巢病变情况、术后病理结果等。结果:本研究共纳入33例新生儿卵巢囊肿，发生卵巢扭转坏死19例，扭转坏死比例高达57.6%(19/33)。其中28 d以下者8例(44.4%)，28 d至6个月11例(73.3%)，两者比较，差异无统计学意义(n P>0.05)；发生扭转坏死者均表现为复杂型卵巢囊肿，发生扭转坏死和未扭转坏死患儿卵巢囊肿的直径分别为(4.64±1.11)cm和(5.86±1.36)cm，二者差异有统计学意义(n P<0.05)。n 结论:产前检查即发现的新生儿卵巢囊肿扭转在6个月内坏死比例较高，应密切随访，随访过程中发现单纯向复杂转化的囊肿应积极手术探查，囊肿直径相对较小的卵巢更易发生扭转坏死。“,”Objective:To explore the treatments of prenatally diagnosed neonatal ovarian cyst.Methods:From January 2017 to June 2019, clinical data of prenatally diagnosed neonatal ovarian cysts were retrospectively analyzed. The imaging data of ultrasound and/or magnetic resonance imaging, intraoperative findings and pathological examination results were analyzed by t or chi-square tests respectively.Results:A total of 33 cases of neonatal ovarian cysts were recruited. The age groups were 0-28 days (newborn, n=18) and 28 days to 6 months (infant, n=15). Ovarian torsion (n=19) occurred and accounted for 57.6% of all lesions, including newborn (n=8, rate of torsion: 44.4%) and infant (n=11, rate of torsion: 73.3%). No significant inter-group difference existed. All cysts of torsion showed signs of complex ovarian cysts with a diameter smaller than that in group without torsion.Conclusions:The prenatal detection rate of neonatal ovarian cyst torsion remains high within 6 months. During close follow-ups, cysts with simple-to-complex transformation should be surgically explored. Those with a relatively smaller diameter are more prone to torsion.