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Familial desquamative interstitial pneumonitis occurring in infants
J J Buchino1, W J Keenan, J T Algren
1Department of Pediatrics, University of Louisville, Kosair Children's Hospital, Kentucky 40232.
Insights
Familial desquamative interstitial pneumonitis (DIP) is a rare infant condition. This study confirms familial DIP in infants and suggests a poorer prognosis compared to sporadic cases.
Area of Science:
- Pediatric Pulmonology
- Rare Diseases
- Genetics
Background:
- Desquamative interstitial pneumonitis (DIP) is an uncommon interstitial lung disease.
- DIP typically occurs sporadically, with unknown etiology.
- Infantile DIP is exceptionally rare.
Observation:
- This report details four infants from two families diagnosed with DIP.
- All affected infants experienced fatal outcomes despite intensive medical and immunosuppressive treatments.
- The cases suggest a genetic component in some instances of infantile DIP.
Findings:
- The study confirms the occurrence of familial desquamative interstitial pneumonitis in infancy.
- Familial DIP cases in infants appear to have a worse prognosis than sporadic DIP.
- Genetic predisposition may play a role in infantile DIP.
Implications:
- Early identification of familial DIP is crucial for understanding disease progression.
- Further research into the genetic basis of DIP is warranted.
- Familial cases may require distinct management strategies due to their aggressive nature.
Abstract:
Desquamative interstitial pneumonitis (DIP) is rare in children. Its cause is unknown. In general, it is of sporadic occurrence. We report 4 infants: 2 sibs in each of 2 separate families, who had DIP. All 4 infants died despite intensive care and immunosuppressive therapy. Our cases, plus one other similar kindred in the literature, confirm the occurrence of familial DIP in infancy. Further, our experience suggests that DIP in these familial cases carries a worse prognosis than that reported in sporadic cases.
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