盆腔超声波在诊断早发性青春期的有效性发现
Fatma Özgüç Çömlek1, Mehmet Öztürk2, Ahmet Fatih Yılmaz1
1Pediatric Endocrinology, Selçuk University Medical Faculty, Konya, Turkey.
Ultrasound quarterly
|March 3, 2025
概括
盆腔超声测量,包括子宫长轴和体积测量,有助于区分中央早发性青春期 (CPP) 和早发性青春期 (PT). 这些非侵入性发现补充了用于准确诊断的荷尔蒙评估.
科学领域:
- 儿科内分泌学 儿科内分泌学
- 生殖医学 生殖医学
- 诊断成像 诊断成像 诊断成像
背景情况:
- 激素释放激素 (GnRH) 刺激测试是诊断中心早期青春期 (CPP) 的标准.
- 由于GnRH测试的局限性,需要探索补充的诊断工具.
- 之前的研究已经确定了CPP的临床和实验室预测因素.
研究的目的:
- 调查盆腔超声波 (PU) 在区分CPP和早产腹痛 (PT) 中的诊断价值.
- 评估特定超声波参数与青春期的荷尔蒙指标之间的相关性.
主要方法:
- 一组55名怀疑患有CPP的女孩接受了GnRH刺激测试,盆腔超声波 (PU),并通过手腕X射线评估骨年龄.
- 采用多变量分析来确定青春期对GnRH刺激反应的显著预测因素.
- 诊断性表现指标,包括AUC,灵敏度,特异性,PPV和NPV,为峰值LH/FSH比率计算.
主要成果:
- 基底白化激素 (bLH) >0.67 IU/L,基底卵泡刺激激素 (FSH) >3.5 IU/L,基底雌激素>7.5 pg/mL,子宫体积>2.6 cm3和纵向子宫直径>35 mm与青春期反应有关.
- 峰值白化激素 (LH) /FSH比率显示出高诊断性能 (AUC=0.956),最佳切线>0.59.
- 两组之间没有观察到骨年龄或BLH/基底FSH值的显著差异.
结论:
- 来自盆腔超声波的子宫长轴和子宫体积测量是有价值的非侵入性指标.
- 这些超声波参数有助于区分CPP和PT,提供一种互补的诊断方法.
- 这些发现支持将盆腔超声波纳入疑似早熟青春期的诊断工作中.
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