了解胎儿输液背后的先天性淋巴异常的洞察力
Sara G Vargo1, Daniella Rogerson2, Patrick Devine3,4
1School of Medicine, University of California, San Francisco, California, USA.
Prenatal diagnosis
|November 4, 2025
概括
胎儿的自体主导淋巴发疹和泛性淋巴发育不良可以在产前使用外体或基因组测序来诊断. 这些先天性淋巴异常常常伴有胎儿输液,并且可以从父母遗传,症状较轻.
科学领域:
- 遗传学 遗传学 是一个
- 胎儿医学 胎儿医学
- 儿童心脏病学 儿童心脏病学
背景情况:
- 先天性淋巴异常,包括自体主导淋巴和泛性淋巴发育不良,存在诊断挑战.
- 胎儿出血的产前诊断可以表明潜在的遗传条件.
研究的目的:
- 用于描述通过产前外体或基因组测序诊断的胎儿自体主导淋巴发疹和泛性淋巴发育不良的怀孕.
- 通过分析胎儿特征和父母症状来加深对先天性淋巴异常的理解.
主要方法:
- 从2017年到2024年,预计将有胎儿输液的孕妇纳入项目 (部透光度≥3.5毫米,囊性湿瘤,肺输液,心周输液,,皮肤).
- 在受影响的胎儿身上进行的外组或基因组测序.
- 对个人/家庭病史,超声检查结果和怀孕结果的医疗记录的审查.
主要成果:
- 在303例妊娠中,有8例 (3%) 的胎儿输液被分子诊断为自体主导性淋巴或泛性淋巴发育不良.
- 从第一到第三季度检测到胎儿液.
- 四个胎儿从父母中继承了变异,其中三个父母表现出较轻微的症状;异构卵性PIEZO1变异与更有利的围产期结果相关.
结论:
- 自体主导性淋巴和泛性淋巴发育不良症在整个妊娠期间表现为各种胎儿输液.
- 这些情况通常是从父母遗传的,临床表现不那么严重.
- 这些发现提高了对子宫内先天性淋巴异常的理解,并为复发风险评估提供了信息.
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