Cholescintigraphy is the gold standard for the diagnosis of chronic<unk> . Transabdominal ultrasonography is the initial<unk>  of choice for the diagnosis of chronic<unk>  and gallstones.
Chronic cholecystitis diagnostic study of choice
Acute cholecystitis diagnostic study of choice
Gallstone disease diagnostic study of choice
Ascending cholangitis diagnostic study of choice
Sialolithiasis diagnostic study of choice
Chronic pancreatitis diagnostic study of choice
Chronic cholecystitis other diagnostic studies
Acute cholecystitis other diagnostic studies