Chorangioma of placenta with high risk pregnancy: A case series

Uma S Andola, Shabnam Karangadan, S. Andola, Rajashekhar Jewargikar
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引用次数: 3

Abstract

Chorangioma is the most common benign tumor of placenta, with an incidence of approximately 1%. Tumors larger than 5 cm are associated with maternal and fetal complications. We report four cases of chorangioma that were identified in mostly primigravida (75%) with a mean gestational age of 33 wks (Range 28-33 wks). All except one case, complete placenta was received with mean weight of 550 g (Range 400-800 g) and tumor size of 9.4 cm (Range 0.5-23 cm). Microscopy showed capillary proliferation resembling fetal vessels in enlarged villi covered by trophoblastic epithelium. Three cases had preterm delivery. One also presented with abruptio placenta and intrauterine fetal death. Because of limited documentation of cases and dismal prognosis of these pregnancies, especially with large chorangiomas, it’s of utmost importance to correctly diagnose them with the aid of color Doppler flow. In this series, 75% of cases (3/4), babies survived probably due to small size of tumor and attainment of fetal maturity. Keywords : Chorangioma, placenta, placental tumor, vascular tumor Key Messages : Even though chorangioma is the most common tumor of placenta, tumors arising from placenta are rare. Because of dismal prognosis of these pregnancies with large lesions, it’s important to correctly diagnose them with the aid of color Doppler flow. This case series demonstrates the need for awareness of such lesions.
高危妊娠胎盘脉管瘤:一个病例系列
绒毛膜瘤是最常见的胎盘良性肿瘤,发病率约为1%。大于5厘米的肿瘤与母体和胎儿并发症有关。我们报告了4例脉络膜瘤,其中大部分是原发(75%),平均胎龄为33周(范围28-33周)。除1例外,全部接受完整胎盘,平均重量为550 g (400-800 g),肿瘤大小为9.4 cm (0.5-23 cm)。镜下可见滋养上皮覆盖的绒毛中毛细血管增生,形似胎儿血管。早产3例。还有一例出现胎盘早剥和宫内胎儿死亡。由于病例记录有限,且预后不佳,特别是大脉管瘤,因此在彩色多普勒超声的帮助下正确诊断至关重要。在这一系列病例中,75%(3/4)的婴儿存活可能是由于肿瘤体积小和胎儿成熟。关键词:绒毛膜瘤,胎盘,胎盘肿瘤,血管肿瘤。关键词:绒毛膜瘤是胎盘最常见的肿瘤,但由胎盘引起的肿瘤并不多见。由于这些大病变的妊娠预后不佳,在彩色多普勒超声的帮助下正确诊断是很重要的。本病例系列表明需要意识到这类病变。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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