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Focal segmental glomerulosclerosis in desquamative interstitial pneumonia.
K J Sheth1, H E Leichter, G Kishaba
1Department of Pediatrics, Children's Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee.
Child Nephrology and Urology
|January 1, 1992
Summary
Desquamative interstitial pneumonitis (DIP) rarely affects the kidneys, leading to chronic renal failure. This case highlights a pediatric DIP patient who developed focal segmental glomerulosclerosis and required hemodialysis.
Area of Science:
- Pediatric Nephrology
- Pulmonology
- Immunology
Background:
- Desquamative interstitial pneumonitis (DIP) is a rare lung disorder with immune-mediated pathogenesis.
- Renal involvement in DIP is exceptionally uncommon, with only one prior report of chronic renal failure.
Observation:
- A pediatric patient diagnosed with DIP at 10 months old developed proteinuria at age 5.
- Proteinuria progressed to nephrotic syndrome by age 13, with elevated IgG and immune complexes.
- Renal biopsy revealed focal segmental glomerulosclerosis despite treatment.
Findings:
- The patient experienced progressive renal failure requiring hemodialysis.
- Pulmonary function, though reduced, remained stable throughout the observation period.
- Laboratory findings indicated an immune-mediated process without anti-GBM antibodies.
Implications:
- This case underscores the potential for severe renal complications in pediatric DIP.
- Further research into the immune mechanisms linking DIP and renal disease is warranted.
- Highlights the importance of monitoring renal function in children diagnosed with DIP.