Overview
Renal-hepatic-pancreatic dysplasia (RHPD) is a rare, severe congenital disorder characterized by cystic dysplasia of the kidneys, hepatic fibrosis and bile duct abnormalities, and pancreatic fibrosis with ductal irregularities 12.Diagnosis
Renal Findings: Diffusely cystic kidneys with absent distal collecting tubules, cystic dysplasia, and deficient nephron differentiation 12.
Hepatic Findings: Enlarged portal areas, bile duct paucity progressing to perilobular fibrosis, and intrahepatic ductal dilatation (e.g., Caroli disease) 12.
Pancreatic Findings: Fibrosis, cysts, and reduced parenchymal tissue 12.
Genetic Testing: Consider NPHP3 mutation analysis, particularly for compound heterozygous frameshift mutations 1.
Imaging: Ultrasound and MRI for detailed assessment of renal, hepatic, and pancreatic abnormalities 12.
Biopsy: Liver biopsies may show progression of biliary abnormalities over time 2.Management
Supportive Care: Focus on managing symptoms including renal insufficiency, chronic jaundice, and diabetes mellitus 2.
Renal Replacement Therapy: For advanced renal failure, consider dialysis or transplantation 2.
Hepatic Support: Manage cholestasis and jaundice with appropriate medications and monitoring 2.
Endocrinological Management: Insulin therapy for insulin-dependent diabetes mellitus 2.
Genetic Counseling: Essential for families with identified mutations 1.Special Populations
Pregnancy: Early terminations or neonatal deaths noted in affected pregnancies 1.
Pediatrics: High neonatal mortality; survivors face severe multisystem complications requiring multidisciplinary care 12.Key Recommendations
Genetic Testing for NPHP3 Mutations in suspected cases to confirm diagnosis (Evidence: Moderate) 1.
Multidisciplinary Approach for management, including nephrology, hepatology, endocrinology, and genetics (Evidence: Expert opinion) 12.
Early Supportive Interventions for renal, hepatic, and metabolic issues to improve quality of life (Evidence: Weak) 2.References
1 Copelovitch L, O'Brien MM, Guttenberg M, Otto EA, Kaplan BS. Renal-hepatic-pancreatic dysplasia: a sibship with skeletal and central nervous system anomalies and NPHP3 mutation. American journal of medical genetics. Part A 2013. link
2 Bernstein J, Chandra M, Creswell J, Kahn E, Malouf NN, McVicar M et al.. Renal-hepatic-pancreatic dysplasia: a syndrome reconsidered. American journal of medical genetics 1987. link