A Study on CT Manifestation of Hepatic Abscess

Objective To evaluate CT features of hepatic abscess caused by different etiologies.Methods CT appearances and clinical data of hepatic abscesses were retrospectively studied in 54 cases.Results There appeared low density lesions in hepatic abscess.Target sign,cluster sign and air in the cavity were special CT manifestations of hepatic abscess.Abscess caused by different etiologies had different features,which included infection by blood stream or bile duct abnormalities,amebic liver abscess,and hepatocellular carcinoma complicated with suppurative infection after treated with TAE.Conclusion The CT manifestations of hepatic abscess were characteristic.These manifestations were helpful in diagnosing hepatic abscess not only in location but also in nature and etiology.