This report consists of retrospective analysis of operability in 16 patients with gallbladder cancer, who were diagnosed radiologically. All cases were operated and pathological studies were performed.
1) Eighty-one percent of gallbladder cancer was diagnosed correctly on US. We classified ultrasonographic pictures of gallbladder cancer into four types. Two cases of fungating mass type underwent complete resection.
2) Eighty-five percent of gallbladder cancer was diagnosed correctly on CT. However, there was no statistically significant difference in diagnosing operability between CT and US.
3) Ninety-three percent of gallbladder cancer was diagnosed correctly on AG. When the cystic artery showed abnormalities such as encasement or irregularity, 50% of cases underwent resection. Among patients with abnormalities of the intrahepatic vessels, none was resectable.
