Case Report: A rare case of Noonan syndrome with multiple lentigines manifesting as cardiac enlargement

Noonan syndrome with multiple lentigines (NSML) is a rare autosomal dominant disorder, primarily caused by variants in the PTPN11 gene. Characterized by multiple lentigines, hypertelorism, short stature, and hearing loss, its common cardiac manifestations include pulmonary stenosis, hypertrophic car...

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Main Authors: Linghua Fan, Jie Jiang, Yan Zhang, Xiaoning Han, Wenhui Ding, Xiaodi Xue, Yimeng Jiang
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Cardiovascular Medicine
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Online Access:https://www.frontiersin.org/articles/10.3389/fcvm.2025.1490436/full
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author Linghua Fan
Jie Jiang
Yan Zhang
Xiaoning Han
Wenhui Ding
Xiaodi Xue
Yimeng Jiang
author_facet Linghua Fan
Jie Jiang
Yan Zhang
Xiaoning Han
Wenhui Ding
Xiaodi Xue
Yimeng Jiang
author_sort Linghua Fan
collection DOAJ
description Noonan syndrome with multiple lentigines (NSML) is a rare autosomal dominant disorder, primarily caused by variants in the PTPN11 gene. Characterized by multiple lentigines, hypertelorism, short stature, and hearing loss, its common cardiac manifestations include pulmonary stenosis, hypertrophic cardiomyopathy (HCM), atrial septal defect, and left-sided heart lesions. We report a 58-year-old female diagnosed with NSML presenting with bilateral atrial and ventricular chamber enlargement and atrial fibrillation, which are uncommon cardiac phenotypes of NSML.
format Article
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institution Kabale University
issn 2297-055X
language English
publishDate 2025-01-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Cardiovascular Medicine
spelling doaj-art-6d757f3023f14e2d8bcc1259279e75642025-01-17T06:50:59ZengFrontiers Media S.A.Frontiers in Cardiovascular Medicine2297-055X2025-01-011210.3389/fcvm.2025.14904361490436Case Report: A rare case of Noonan syndrome with multiple lentigines manifesting as cardiac enlargementLinghua FanJie JiangYan ZhangXiaoning HanWenhui DingXiaodi XueYimeng JiangNoonan syndrome with multiple lentigines (NSML) is a rare autosomal dominant disorder, primarily caused by variants in the PTPN11 gene. Characterized by multiple lentigines, hypertelorism, short stature, and hearing loss, its common cardiac manifestations include pulmonary stenosis, hypertrophic cardiomyopathy (HCM), atrial septal defect, and left-sided heart lesions. We report a 58-year-old female diagnosed with NSML presenting with bilateral atrial and ventricular chamber enlargement and atrial fibrillation, which are uncommon cardiac phenotypes of NSML.https://www.frontiersin.org/articles/10.3389/fcvm.2025.1490436/fullNoonan syndrome with multiple lentiginesheart failurecardiomegalyatrial fibrillationLEOPARD syndrome
spellingShingle Linghua Fan
Jie Jiang
Yan Zhang
Xiaoning Han
Wenhui Ding
Xiaodi Xue
Yimeng Jiang
Case Report: A rare case of Noonan syndrome with multiple lentigines manifesting as cardiac enlargement
Frontiers in Cardiovascular Medicine
Noonan syndrome with multiple lentigines
heart failure
cardiomegaly
atrial fibrillation
LEOPARD syndrome
title Case Report: A rare case of Noonan syndrome with multiple lentigines manifesting as cardiac enlargement
title_full Case Report: A rare case of Noonan syndrome with multiple lentigines manifesting as cardiac enlargement
title_fullStr Case Report: A rare case of Noonan syndrome with multiple lentigines manifesting as cardiac enlargement
title_full_unstemmed Case Report: A rare case of Noonan syndrome with multiple lentigines manifesting as cardiac enlargement
title_short Case Report: A rare case of Noonan syndrome with multiple lentigines manifesting as cardiac enlargement
title_sort case report a rare case of noonan syndrome with multiple lentigines manifesting as cardiac enlargement
topic Noonan syndrome with multiple lentigines
heart failure
cardiomegaly
atrial fibrillation
LEOPARD syndrome
url https://www.frontiersin.org/articles/10.3389/fcvm.2025.1490436/full
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