Detection of liver and gallbladder calcification.

Although abdominal radiographs have been the standard method for demonstrating right upper quadrant calcifications, recent evidence shows that ultrasound and computed tomography are equally sensitive, if not more so. Liver and gallbladder calcifications from many causes have been detected by ultrasound and computed tomography. In some of these cases, plain films of the abdomen have been normal. This observation suggests that the plain radiograph is no longer adequate for evaluating possible calcifications in the upper abdomen.