Usual interstitial pneumonia in an adolescent with ABCA3 mutations
Lisa R Young1, Lawrence M Nogee, Bruce Barnett
1Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, University of Cincinnati, 3333 Burnet Ave, MLC 2021, Cincinnati, OH 45229-3039, USA. Lisa.Young@cchmc.org
Chest
|July 17, 2008
Summary
Interstitial lung disease (ILD) in children can present with a usual interstitial pneumonia (UIP) pattern, linked to genetic mutations. This finding advances understanding of pediatric and adult lung fibrosis.
Area of Science:
- Pediatric Pulmonology
- Genetics
- Pathology
Background:
- Interstitial lung disease (ILD) encompasses diverse pediatric disorders with distinct features from adult ILD.
- The usual interstitial pneumonia (UIP) pattern, common in adults, has not been definitively identified in children.
Observation:
- A 15-year-old boy presented with pulmonary fibrosis exhibiting the UIP histologic pattern.
- Genetic analysis revealed mutations in the adenosine triphosphate-binding-cassette-A3 (ABC-A3) gene in this patient.
Findings:
- This case demonstrates the UIP pattern in a pediatric patient with pulmonary fibrosis.
- Mutations in the ABC-A3 gene, crucial for surfactant production, are associated with this UIP pattern in a child.
Implications:
- Understanding how genetic mutations affecting surfactant proteins cause progressive fibrosis is key.
- This discovery has significant implications for diagnosing and treating ILD in both pediatric and adult populations.
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