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Familial retroperitoneal fibrosis
E J Doolin1, H Goldstein, B Kessler
1Department of Surgery, Cooper Hospital/University Medical Center, Camden, NJ.
Insights
Retroperitoneal fibrosis is a rare cause of obstructive uropathy in children. This study reports the first familial cases, suggesting a link to systemic autoimmune diseases.
Area of Science:
- Pediatric Nephrology
- Immunology
- Genetics
Background:
- Retroperitoneal fibrosis (RPF) is an uncommon cause of obstructive uropathy in children.
- The exact etiology of RPF remains largely unknown, though associations with autoimmune conditions exist.
- Familial cases of RPF in pediatric populations have not been previously reported.
Observation:
- This report details a family with two siblings diagnosed with idiopathic retroperitoneal fibrosis.
- Both affected sisters and their father exhibited clinical and laboratory evidence of systemic immunologic diseases.
- These cases represent the first documented instances of both autoimmune and familial characteristics in pediatric RPF.
Findings:
- The presented cases suggest that idiopathic retroperitoneal fibrosis in children may have a familial component.
- The co-occurrence of RPF and systemic immune markers in multiple family members strengthens the autoimmune hypothesis.
- This familial clustering indicates a potential genetic predisposition interacting with autoimmune factors.
Implications:
- These findings support the concept of retroperitoneal fibrosis as a localized manifestation of a broader systemic immune disorder.
- Further research into the genetic and immunological underpinnings of RPF is warranted.
- Understanding the familial and autoimmune links may lead to improved diagnostic and therapeutic strategies for pediatric RPF.
Abstract:
Retroperitoneal fibrosis is an unusual cause of obstructive uropathy in the pediatric population. The etiology is unknown although there are laboratory and clinical associations with various autoimmune diseases. Familial associations have not been reported in children. A family is reported where two siblings have idiopathic retroperitoneal fibrosis. In addition, these sisters and the father manifest clinical laboratory evidence for systemic immunologic diseases. These young girls represent the first patients to illustrate both autoimmune and familial characteristics of this disease. These cases support the concept that retroperitoneal fibrosis is a local manifestation of a systemic immune disease.