Overview
GRACILE syndrome is a lethal autosomal recessive disorder characterized by fetal growth retardation, lactic acidosis, Fanconi-type aminoaciduria, cholestasis, hepatic iron overload, and early neonatal death 1.Diagnosis
Clinical Presentation: Growth retardation, lactic acidosis, aminoaciduria, cholestasis 1.
Laboratory Tests: Elevated aminoaciduria, liver function tests indicative of cholestasis, metabolic acidosis 1.
Imaging: Abdominal imaging may reveal hepatomegaly or other organ involvement 1.
Biopsy/Autopsy Findings: Histopathological evidence of cholestasis, iron overload in hepatocytes and Kupffer cells, and pancreatic atrophy 1.Management
Supportive Care: Focus on managing symptoms such as metabolic acidosis, hydration, and nutritional support 1.
Genetic Counseling: Essential for families with affected individuals to understand recurrence risks 1.
No Specific Therapies: No curative treatments identified; management is primarily supportive 1.Special Populations
Pediatrics: Condition manifests early in infancy with high mortality within the first month of life 1.
Comorbidities: Often associated with renal tubular dysgenesis and pancreatic insufficiency 1.Key Recommendations
Early Recognition and Supportive Care: Prompt identification and management of metabolic derangements and supportive care measures are crucial for improving quality of life (Evidence: Moderate 1).
Genetic Testing and Counseling: Offer genetic testing and counseling to affected families to understand disease inheritance and recurrence risks (Evidence: Expert opinion 1).
Monitoring Organ Involvement: Regular monitoring of liver, kidney, and pancreatic function is recommended given multisystem involvement (Evidence: Moderate 1).References
1 Rapola J, Heikkilä P, Fellman V. Pathology of lethal fetal growth retardation syndrome with aminoaciduria, iron overload, and lactic acidosis (GRACILE). Pediatric pathology & molecular medicine 2002. link