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Follicular bronchitis in the pediatric population
B T Kinane1, A L Mansell, R G Zwerdling
1Pediatric Pulmonary Unit, Massachusetts General Hospital, Boston.
Chest
|October 1, 1993
Summary
Idiopathic follicular bronchitis (IFB) in children presents with chronic cough and tachypnea. Most patients improve by age four, though some experience residual obstructive lung disease.
Area of Science:
- Pediatric Pulmonology
- Respiratory Medicine
- Rare Pediatric Diseases
Background:
- Idiopathic follicular bronchitis (IFB) is a rare pediatric respiratory condition.
- Diagnosis typically requires invasive procedures like open lung biopsy.
- Understanding IFB's natural history and clinical course is crucial for management.
Observation:
- Five pediatric patients diagnosed with IFB via open lung biopsy were retrospectively studied.
- Clinical presentation included tachypnea and chronic cough from early infancy.
- Physical exam revealed diffuse crackles or rhonchi, and chest X-rays showed interstitial patterns.
Findings:
- No autoimmune or collagen vascular diseases were identified.
- Corticosteroid therapy showed minimal efficacy.
- No viral or bacterial pathogens were isolated from respiratory samples.
- All patients demonstrated improvement between 2-4 years of age.
- Older patients exhibited mild residual obstructive lung disease.
Implications:
- This case series provides initial insights into IFB in a pediatric cohort.
- The findings suggest IFB may have a self-limiting course in children.
- Further research is needed to elucidate the pathogenesis and optimal treatment strategies for IFB.