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病例报告:患有下丘脑瘤的婴儿过度分泌雌醇
Maja Vinkovic1, Duje Braovac1, Katja Dumic Kubat1,2
1Department of Pediatrics, University Hospital Centre Zagreb, Zagreb, Croatia.
Frontiers in endocrinology
|October 13, 2025
概括
脑下垂体瘤 (HH) 可以导致婴儿中部早熟性青春期 (CPP),呈现极高的雌激素水平. 早期诊断和使用性腺激素释放激素类似物治疗有效地控制症状.
科学领域:
- 儿科内分泌学 儿科内分泌学
- 神经内分泌学神经内分泌学
- 遗传学 遗传学 是一个
背景情况:
- 脑下垂体瘤 (HH) 是已知导致儿童中部早期青春期 (CPP) 的原因.
- 在婴儿中,由于与正常的迷你青春期重叠的荷尔蒙特征,诊断可能具有挑战性.
- 极度升高的雌激素水平通常与外围早期青春期有关.
研究的目的:
- 报告一个患有下丘脑瘤的婴儿呈现异常高的雌激素水平.
- 突出诊断的挑战,区分中心和外围的早期青春期的婴儿.
- 为了证明淋巴激素释放激素类比治疗对HH诱导的CPP的疗效.
主要方法:
- 一个5.5个月大的女婴的病例介绍,有阴道出血和青春期症状.
- 荷尔蒙检测包括雌激醇和淋巴激素.
- 放射性影像检查以确定下丘脑瘤.
- 治疗开始时使用缓存性腺激素释放激素类似物.
主要成果:
- 婴儿出现阴道出血,雌激素显著升高 (高达3,974 pmol/L),性腺激素升高.
- 诊断工作证实了下丘脑瘤是中部早期青春期的原因.
- 用GnRH模拟剂治疗导致雌激素水平正常化,卵巢囊回归,并停止青春期变化.
结论:
- 极高的雌醇水平可能是婴儿下丘脑瘤的表型谱的一部分.
- 在HH中没有负面反,这使得在迷你青春期中区分中心和外围早期青春期变得复杂.
- 这一案例强调了在婴儿中考虑HH的重要性,这些婴儿有不明原因的早期青春期和高雌激素水平.
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