Diagnostic approach to histology 113 Neonatal and early infantile liver disease 113 Postneonatal, childhood and adulthood presentation 118 Neonatal hepatitis 119 Histopathological features 120 Biliary atresia 121 Classification and aetiopathogenesis 121 Pathological features at surgical intervention 124 Pathology of intrahepatic changes 126 Paucity of intrahepatic bile ducts 129 Alagille syndrome (arteriohepatic dysplasia) 129 Nonsyndromic duct paucity disorders 131 Bile duct anomalies, congenital dilations and ductal plate malformation disorders 131 Choledochal cyst 132 Hereditary fibropolycystic disease (ductal plate malformation) 133 Cystic fibrosis 141 Hereditary disorders of bile acid synthesis and bilirubin metabolism 143 Primary disorders of bile acid synthesis 143 Disorders of bile canalicular transporters 146 Other diseases causing intrahepatic cholestasis 150 Hereditary defects of bilirubin metabolism 151 Disorders of porphyrin metabolism 153 Porphyria cutanea tarda 154 Erythropoietic protoporphyria 155 Disorders of carbohydrate metabolism and related conditions 156 Glycogen storage diseases (glycogenoses) 156 Myoclonus epilepsy, Lafora type (Lafora disease) 161 Galactosaemia Hereditary fructose intolerance Disorders of glycoprotein and glycolipid metabolism Mucopolysaccharidoses Aspartylglucosaminuria α-Mannosidosis Fucosidosis Mucolipidoses Congenital disorders of glycosylation (carbohydrate-deficient glycoprotein syndrome) Endoplasmic reticulum storage diseases α1-Antitrypsin deficiency α1-Antichymotrypsin deficiency Afibrinogenaemia and hypofibrinogenaemia Antithrombin III deficiency Disorders of amino acid metabolism Hereditary tyrosinaemia type 1 Congenital hyperammonaemia syndromes and urea cycle disorders Cystinosis Homocystinuria (cystathionine β-synthase deficiency) Disorders of lipoprotein and lipid metabolism Abetalipoproteinaemia Familial hypobetalipoproteinaemia Familial high-density lipoprotein deficiency (Tangier disease) Familial hypercholesterolaemia Wolman disease and cholesteryl ester storage disease Gangliosidoses α-Galactosidase A deficiency (Fabry disease) Sulphatide lipidosis (metachromatic leucodystrophy) Chapter 3 Developmental and Inherited Liver Disease