Pulse Brain · Growing Health Evidence Index
Tier 4 — Narrative / commentaryPeer-reviewed

Neonatal Chylothorax and Dysmorphic Phenotype: A Noonan Syndrome?

Sara Suárez-Cabezas, Daniel Natera‐de Benito, Pilar Pérez-Segura, Lucia Llorente-Otones, María José Alcázar Villar, María José Rivero-Martin Mj

Journal of Rare Disorders: Diagnosis & Therapy · 2016

Read source ↗ All evidence

Summary

This case report describes a neonatal patient presenting with chylothorax and dysmorphic facial features, subsequently diagnosed with Noonan syndrome following molecular confirmation of a PTPN11 mutation. The authors argue that Noonan syndrome should be included in the differential diagnosis of congenital chylothorax when accompanied by characteristic dysmorphology and normal karyotype, as syndromic causes may be overlooked if focus remains solely on chromosomal abnormalities. The case demonstrates the clinical utility of systematic phenotypic assessment and genetic testing in rare presentation contexts.

UK applicability

The findings are relevant to UK paediatric practice insofar as they highlight the diagnostic importance of considering genetic syndromes in neonatal chylothorax cases. However, as a single case report from Spain, the study does not directly address UK-specific epidemiology, health service pathways, or practice guidelines.

Key measures

PTPN11 genetic mutation status; clinical phenotype assessment; chylothorax presentation and resolution

Outcomes reported

The study reported a case of neonatal chylothorax presenting with dysmorphic features, diagnosed as Noonan syndrome following molecular genetic confirmation of a PTPN11 mutation. Clinical and genetic findings were documented to illustrate the importance of considering syndromic causes in congenital chylothorax presentations.

Theme
Nutrition & health
Subject
Maternal, infant & child nutrition
Study type
Commentary
Study design
Case report
Source type
Peer-reviewed study
Status
Published
Geography
Spain
System type
Human clinical
Catalogue ID
BFmokjnrep-fqbha9

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.