连续三代虹膜花的多模式光学成像:一个案例报告
Anna Jiang1, Licong Liang1, Kaiqin She1
1Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
Frontiers in medicine
|September 13, 2024
概括
亲属虹膜,一种罕见的眼睛疾病,与ACTA2基因的突变有关. 这项研究在三代中确定了一个特定的ACTA2突变 (p.Arg149Cys),突出了它在这种遗传性疾病中的作用.
科学领域:
- 眼科医生 眼科 眼科
- 遗传学 是一个遗传学.
- 心脏病学 心脏病学
背景情况:
- 虹膜花是瞳孔边缘的罕见的有色素的上皮囊.
- 这些囊与光滑肌肉α-actin 2 (ACTA2) 基因的突变有关.
- ACTA2突变与家族胸前大动脉动脉瘤和解剖 (TAAD) 有关.
研究的目的:
- 报告一种家族性虹膜花块病例.
- 为了确定一个家庭中导致这种疾病的遗传突变.
- 呈现受影响个体的多式光学图像.
主要方法:
- 眼球底部查. 眼球底部查.
- 眼科检查. 眼科检查.
- 整体外基因组测序以识别ACTA2基因突变.
主要成果:
- 在ACTA2中发现了一种异构的c.445C>T (p.Arg149Cys) 突变,发生在一个6个月大的男孩,他的母亲和祖父身上.
- 这种突变与所有三个受影响的家族成员的虹膜花有关.
- 在受影响的人群中没有观察到眼部并发症.
结论:
- 亲属虹膜花可能是由ACTA2 (p.Arg149Cys) 中异合误解突变引起的.
- 本案例报告扩展了与ACTA2突变相关的临床特征,特别是在氨基酸149.
- 多模式成像为这种遗传疾病的眼睛表现提供了宝贵的见解.
关键词:
在ACTA2基因.虹膜的彩色照片.家庭胸前大动脉动脉瘤和大动脉剖析 (TAAD)肺部血管造影 (FA) 是指肺部血管造影 (FA).虹膜花束 (英语:Iris Flocculi) 是一种花束.光学连贯性断层扫描 (OCT)更多相关视频
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