title: Periodic confusion caused by congenital extrahepatic portacaval shunt.
abstract: A patient with portal-systemic encephalopathy was found to have congenital portal-systemic shunting due to an extrahepatic connection. The profound clinical disorder remitted completely on surgical correction of the shunt.
mesh_terms: D000368:Aged; D003072:Cognition Disorders / Q000209:etiology*; D003221:Confusion / Q000209:etiology*; D005260:Female; D005402:Fistula / Q000150:complications* / Q000151:congenital; D006501:Hepatic Encephalopathy / Q000209:etiology*; D006801:Humans; D011168:Portal System / Q000002:abnormalities*