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Clin Nephrol. 1982 Dec;18(6):314-20.

Renal lipidosis associated with arteriohepatic dysplasia (Alagille's syndrome).


We report a 20-year-old patient with arteriohepatic dysplasia (Alagille's syndrome) who developed progressive renal failure associated with extensive renal lipidosis. A renal biopsy showed diffuse thickening of glomerular basement membrane mimicking idiopathic membranous glomerulonephritis on light microscopy. Electron microscopy, however, demonstrated numerous intramembranous and mesangial lipid deposits, quite similar to those described in familial lecithin cholesterol acyltransferase deficiency. We believe the renal lipidosis developed secondary to hyperlipidemia associated with longstanding intrahepatic cholestasis. This case illustrates that extensive lipid deposition in the glomerular basement membrane may occur in patients with arteriohepatic dysplasia, and it may lead to progressive renal failure.

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