Novel variant in MYH9 in a child with proteinuria and thrombocytopenia: a case report and literature review.

IF 2.1 3区 医学 Q2 PEDIATRICS
Frontiers in Pediatrics Pub Date : 2025-05-09 eCollection Date: 2025-01-01 DOI:10.3389/fped.2025.1502727
Dan-Feng Xie, Lin Zhu, Xiao-Meng Wang, Yun Li, Ping Zhou
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引用次数: 0

Abstract

There is a lack of awareness of the diagnosis and treatment of MYH9-related disorder (MYH9-RD), which is an autosomal dominant disease with heterogeneous clinical manifestations. We summarized the clinical phenotype and reported a novel variant in MYH9 in a child with focal segmental glomerulosclerosis (FSGS) and reviewed the relevant literature to better understand MYH9-RD. Unlike previous cases, this patient exhibited IgA deposition in the mesangial region, suggesting need for further investigation into prognostic and therapeutic significance of this finding. To reduce the risk of MYH9-RD misdiagnosis, we recommend assessing mean platelet diameter and granulocyte inclusions in patients with unexplained proteinuria and refractory thrombocytopenia.

蛋白尿和血小板减少症儿童MYH9新变异:1例报告和文献复习。
myh9相关疾病(MYH9-RD)是一种常染色体显性遗传病,临床表现具有异质性,目前对其诊断和治疗缺乏认识。我们总结了MYH9在局灶节段性肾小球硬化(FSGS)儿童中的临床表型,并报道了一种新的MYH9变异,并回顾了相关文献以更好地了解MYH9- rd。与以往病例不同,该患者在系膜区出现IgA沉积,提示需要进一步研究该发现的预后和治疗意义。为了降低MYH9-RD误诊的风险,我们建议评估不明原因蛋白尿和难治性血小板减少症患者的平均血小板直径和粒细胞包涵体。
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来源期刊
Frontiers in Pediatrics
Frontiers in Pediatrics Medicine-Pediatrics, Perinatology and Child Health
CiteScore
3.60
自引率
7.70%
发文量
2132
审稿时长
14 weeks
期刊介绍: Frontiers in Pediatrics (Impact Factor 2.33) publishes rigorously peer-reviewed research broadly across the field, from basic to clinical research that meets ongoing challenges in pediatric patient care and child health. Field Chief Editors Arjan Te Pas at Leiden University and Michael L. Moritz at the Children''s Hospital of Pittsburgh are supported by an outstanding Editorial Board of international experts. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, clinicians and the public worldwide. Frontiers in Pediatrics also features Research Topics, Frontiers special theme-focused issues managed by Guest Associate Editors, addressing important areas in pediatrics. In this fashion, Frontiers serves as an outlet to publish the broadest aspects of pediatrics in both basic and clinical research, including high-quality reviews, case reports, editorials and commentaries related to all aspects of pediatrics.
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