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Updated: Aug 24, 2026
Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Diagnosis of interstitial lung disease in children
Bettina C Hilman1, Rodolfo Amaro-Galvez
1Department of Pediatrics, The University of Texas Health Center at Tyler, 11937 US Highway 271, Tyler, TX 75708-3154, USA. bettina.hilman@uthct.edu
Insights
Diagnosing chronic interstitial lung disease (ILD) in children is complex due to subtle, varied symptoms and lack of clear criteria. A systematic approach and multi-center collaboration are crucial for understanding this rare pediatric lung disease.
Area of Science:
- Pediatric Pulmonology
- Rare Diseases
- Diagnostic Challenges
Background:
- Chronic interstitial lung disease (ILD) in children presents significant diagnostic challenges.
- The heterogeneity and rarity of pediatric ILD contribute to unresolved diagnostic issues.
- Subtle, variable, and non-specific initial clinical manifestations necessitate a high index of suspicion.
Purpose of the Study:
- To highlight the diagnostic complexities of chronic interstitial lung disease in infants and children.
- To emphasize the need for a systematic diagnostic approach.
- To advocate for multi-center collaboration in understanding pediatric ILD.
Main Methods:
- Comprehensive clinical history and physical examination.
- Assessment of oxygen saturation (rest, exercise, feeding).
- Imaging: Chest X-ray and high-resolution computed tomography (HRCT).
- Pulmonary function studies in older children (restrictive pattern: decreased FEV1, FVC, TLC; normal FEV1/FVC ratio).
Main Results:
- Pediatric ILD diagnosis is challenging due to a lack of consensus on clinical criteria.
- Clinical findings are highly variable.
- Pulmonary function tests often reveal a restrictive pattern in older children.
Conclusions:
- A systematic diagnostic evaluation is essential for suspected pediatric ILD.
- Multi-center collaboration is vital for advancing the understanding of these rare orphan lung diseases.
- Improved diagnostic strategies are needed for improved outcomes in pediatric ILD.
Abstract:
Chronic interstitial lung disease (ILD) in infants and children is a challenging diagnostic clinical problem. There are many unresolved and controversial issues in the diagnosis of this heterogeneous group of uncommon disorders in children. Diagnosis requires a high index of suspicion as the initial clinical manifestations are subtle, highly variable and non-specific. There is no consensus for the clinical diagnostic criteria of paediatric ILD. The spectrum of clinical findings is highly variable. The diagnostic evaluation of a child with suspected ILD includes a comprehensive history, physical examination, oxygen saturation (at rest, during exercise or during feeding), a plain chest x ray and a high-resolution thin-cut tomography scan of the chest. Pulmonary function studies can be useful in older children; these typically show a restrictive pattern with a decreased forced expiratory volume in 1 s (FEV(1)), forced vital capacity (FVC) and total lung capacity, but normal FEV(1)/FVC. A systematic approach to diagnosis is useful in the evaluation of an infant or child with suspected chronic ILD. Due to the rarity of most of these disorders, multi-centre collaboration is needed to improve our understanding of this orphan lung disease.
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