Hepatobiliary disorders presenting as fever of unknown origin in Cairo, Egypt: the role of diagnostic ultrasonography.

: Among 130 patients with fever of unknown origin (FUO) studied from 1981 to 1985, 34 were diagnosed as having hepatobiliary disorders: amoebic liver abscess (11), pyogenic liver abscess (4), hepatic hydatid cysts (2), hepatic fascioliasis (2), tuberculous hepatic granulomas (1), chronic calcular cholecystitis with recurrent cholangitis (2), chronic active hepatitis (2), hepatocellular carcinoma (3), lymphoma involving the liver (4) and hepatic metastasis in (3) cases. Hepatobiliary disorders were the cause in 27% of FUO seen during 4 years.