to test the hypothesis that there is an early stage of cholesterol gallstone formation in man characterized by symptoms of chronic cholecystitis , poor gallbladder emptying , and biliary cholesterol crystals , we studied cholecystokinin-stimulated gallbladder emptying by disida scintigraphy and examined bile for cholesterol crystals in symptomatic patients with normal oral cholecystography and gallbladder sonography .
C0085694
chronic cholecystitis
C0016976
gallbladder