与PTPN11相关的诺南综合征的视神经变化
Tarek Saad Shoala1,2, Linda M Reis3, Jenina Capasso1
1Pediatric Ophthalmology and Ocular Genetics, Flaum Eye Institute, University of Rochester, Rochester, New York, USA.
Oman journal of ophthalmology
|November 13, 2025
概括
诺南综合征是由PTPN11基因变异引起的,可能导致视神经异常,例如扩大的杯/盘比. 这一发现可能被误诊为青光眼,突出了基因检测的重要性.
科学领域:
- 眼科医生 眼科 眼科
- 遗传学 遗传学 是一个
- 儿科神经学 儿科神经学
背景情况:
- 努南综合征是一种遗传性疾病,其特征是异形面部特征,矮身和先天性心脏缺陷.
- PTPN11基因中的致病变体是诺南综合征的常见原因.
- PTPN11基因变异与视神经头部异常有关.
研究的目的:
- 描述因PTPN11致病变体导致的诺南综合征患者的视神经发现.
- 为了调查由于这些视神经异常而导致格劳科马误诊的可能性.
主要方法:
- 两个患有努南综合征的家庭的案例研究.
- 眼科检查侧重于视神经头部形态.
- 基因分析以确定PTPN11致病变体.
主要成果:
- 由于PTPN11变异,在Noonan综合征患者中观察到视神经异常,特别是扩大的杯/盘比.
- 观察到的视神经异常可能会模仿绿眼病的外观.
结论:
- 加大的视神经杯/盘比是与PTPN11致病变体相关的诺南综合征的特征.
- 意识到这种视神经异常是防止误诊眼的关键.
- PTPN11基因变异扰乱纤维细胞生长因子信号传递,可能导致视神经发育失调和眼球结肠瘤.
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