[Differential ultrasound diagnosis of the healthy, inflamed and diseased gallbladder].

Sonography is helpful in detection of gallstones and can also provide information on pathological changes of the gallbladder. The diagnosis of changes of gallbladder walls is difficult without clinical symptoms. "Pharmakocholocystosonography" can provide information by diseases of gallbladder. It proves that the "asymptomatic" gallstone is one of symptoms of this disease. The sonography is helpful too in the diagnosis of the acute cholecystitis if the clinical symptoms are respected.