Ultrasound findings in carcinoma of the gallbladder

The ultrasound findings in 5 cases of primary carcinoma of the gallbladder are described. A mass protruding into or replacing the gallbladder or abnormal gallbladder wall were found in all cases. Four of the patients had gallstones and a dilated biliary tree. With careful technique in evaluation of the gallbladder wall in patients with gallstones early carcinoma of the gallbladder may be detected with greater frequency.