title: Ecographic diagnostic approach.
authors.forename: G
authors.initials: G
authors.lastname: Maresca
authors.forename: B
authors.initials: B
authors.lastname: Barbaro
authors.forename: A M
authors.initials: AM
authors.lastname: De Gaetano
mesh_terms: D001652:Bile Ducts / Q000000981:diagnostic imaging*; D001661:Biliary Tract Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D001651:Cholestasis, Extrahepatic / Q000000981:diagnostic imaging* / Q000209:etiology; D002780:Cholestasis, Intrahepatic / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D014463:Ultrasonography