Diagnostic value of contrast-enhanced ultrasonography for intrahepatic cholangiocarcinoma with tumor diameter larger than 5 cm

Herein we reported 5 patients of mass-type intrahepatic cholangiocarcinoma(ICC)misdiagnosed as liver abscess by contrast-enhanced CT,the diagnosis was confirmed through contrast-enhanced ultrasound(CEUS)imaging and pathology.From January 2015 to January 2018,five patients(1 male and 4 females)were confirmed as ICC by surgical resection or biopsy in Tongde Hospital of Zhejiang Province,with average age of(74.2±5.6)years.These 5 ICC patients were misdiagnosed as liver abscess by contrast-enhanced CT and later on。