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病例报告——46,XY核型患者的重度尿道下裂:三级基因检测是否总是必要的?

Case Report - Severe hypospadias in 46, XY karyotype patients: is third level genetic testing always mandatory?

作者信息

Romano Giorgia, Rollo Giovanni, Spagnol Lorna, Mucciolo Mafalda, Adorisio Ottavio, Silveri Massimiliano

机构信息

Surgical Andrology and Gynecology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.

Translational Cytogenetics Research Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.

出版信息

Front Surg. 2025 Jan 31;12:1524953. doi: 10.3389/fsurg.2025.1524953. eCollection 2025.

DOI:10.3389/fsurg.2025.1524953
PMID:39959693
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11825467/
Abstract

We report a case of a 4-month-old infant with severe genital malformation and a 46, XY karyotype. Genetic testing revealed a variant in the NR5A1 gene, guiding a successful multistage surgical intervention. This case underscores the value of targeted genetic testing in guiding the management of severe hypospadias cases. While genetic investigation isn't routine for all severe hypospadias cases, Next Generation Sequencing (NGS) technologies have influenced the rate of correct diagnoses, reduced diagnostic delay, and helped to determine the need for focused medical care and timely treatment. Too commonly, surgeons tend to attach importance to malformation repair and disregard the genetic diagnoses, but we believe that precise genetic diagnosis improves the accuracy of DSD management in terms of prognostic predictions, the development of an individualized management plan and the determination of treatment options.

摘要

我们报告了一例患有严重生殖器畸形且核型为46, XY的4个月大婴儿。基因检测发现NR5A1基因存在变异,这为成功的多阶段手术干预提供了指导。该病例强调了靶向基因检测在指导严重尿道下裂病例管理中的价值。虽然并非所有严重尿道下裂病例都常规进行基因调查,但下一代测序(NGS)技术提高了正确诊断率,减少了诊断延迟,并有助于确定针对性医疗护理和及时治疗的必要性。通常,外科医生往往重视畸形修复而忽视基因诊断,但我们认为精确的基因诊断在预后预测、制定个体化管理计划以及确定治疗方案方面提高了性发育障碍(DSD)管理的准确性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/77ef/11825467/88ce331d59a7/fsurg-12-1524953-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/77ef/11825467/1eeb1d15f218/fsurg-12-1524953-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/77ef/11825467/386f126bd057/fsurg-12-1524953-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/77ef/11825467/88ce331d59a7/fsurg-12-1524953-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/77ef/11825467/1eeb1d15f218/fsurg-12-1524953-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/77ef/11825467/386f126bd057/fsurg-12-1524953-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/77ef/11825467/88ce331d59a7/fsurg-12-1524953-g003.jpg

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本文引用的文献

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2-stage STAG vs 3-stage STAC for primary proximal hypospadias repair.
J Pediatr Urol. 2025 Apr;21(2):522-525. doi: 10.1016/j.jpurol.2024.10.023. Epub 2024 Nov 1.
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The role of genetics in the etiology of hypospadias.
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The possible role of epigenetics in the etiology of hypospadias.表观遗传学在尿道下裂病因学中的可能作用。
J Pediatr Urol. 2024 Oct;20(5):877-883. doi: 10.1016/j.jpurol.2024.07.001. Epub 2024 Jul 10.
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NR5A1-related 46,XY partial gonadal dysgenesis: A case report and literature review.NR5A1 相关 46,XY 部分性腺发育不全:病例报告及文献复习。
Medicine (Baltimore). 2023 Dec 29;102(52):e36725. doi: 10.1097/MD.0000000000036725.
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Case Report: Severe Gonadal Dysgenesis Causing 46,XY Disorder of Sex Development Due to a Novel Variant.病例报告:一种新型变异导致严重性腺发育不全引起46,XY性发育障碍
Front Genet. 2022 Jul 5;13:885589. doi: 10.3389/fgene.2022.885589. eCollection 2022.
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Molecular genetics of hypospadias and cryptorchidism recent developments.尿道下裂和隐睾症的分子遗传学:最新进展。
Clin Genet. 2019 Jan;95(1):122-131. doi: 10.1111/cge.13432. Epub 2018 Oct 26.
8
Sexuality and fertility in men with hypospadias; improved outcome.尿道下裂男性的性征与生育能力;改善的结果。
Andrology. 2017 Mar;5(2):286-293. doi: 10.1111/andr.12309. Epub 2016 Dec 19.
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DAX-1 (NR0B1) and steroidogenic factor-1 (SF-1, NR5A1) in human disease.人类疾病中的DAX-1(NR0B1)和类固醇生成因子-1(SF-1,NR5A1)
Best Pract Res Clin Endocrinol Metab. 2015 Aug;29(4):607-19. doi: 10.1016/j.beem.2015.07.004. Epub 2015 Jul 14.
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Population based nationwide study of hypospadias in Sweden, 1973 to 2009: incidence and risk factors.基于人群的瑞典 1973 年至 2009 年尿道下裂的全国性研究:发病率和危险因素。
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