胎盘绒毛膜血管瘤是最常见的胎盘良性肿瘤。然而,临床上明显的绒毛膜血管瘤并不常见,发病率介于1:3,500和1:9,000之间.在大多数情况下,它是小的或微观的,没有临床意义。如果尺寸增加超过5厘米,那么它可能与严重的母体并发症有关,如镜像综合征,羊水过多,先兆子痫,产前出血,早产和分娩,产后出血,以及胎儿并发症,如胎儿贫血,胎儿血小板减少症,胎儿水肿,宫内生长受限,胎儿死亡,新生儿死亡。与羊水过多相关的巨大绒毛膜血管瘤导致高围产期发病率和死亡率。在胎儿存活之前有并发症的绒毛膜血管瘤需要干预。在选择性病例中,可以考虑保守管理和密切监测。我们报告了一例巨大的胎盘绒毛膜血管瘤,并发严重的羊水过多,保守治疗,母婴结局良好。
Placental chorioangioma is the most common benign tumor of the placenta. However, clinically evident chorioangiomas are less common with an incidence ranging between 1:3,500 and 1:9,000 births. In the majority of cases, it is small or microscopic and of no clinical significance. If it increases more than 5 cm in size, then it may be associated with serious maternal complications such as mirror syndrome, polyhydramnios, preeclampsia, antepartum hemorrhage, preterm labor and delivery, and postpartum hemorrhage, as well as fetal complications such as fetal anemia, fetal thrombocytopenia, fetal hydrops, intrauterine growth restriction, fetal demise, and neonatal death. Giant chorioangioma associated with polyhydramnios leads to high perinatal morbidity and mortality. Chorioangioma with complications before fetal viability needs interventions. Conservative management with close surveillance can be considered in selective cases. We report a
case of giant placental chorioangioma complicated with severe polyhydramnios managed conservatively with favorable maternal and fetal outcomes.