Tests that can establish the etiology of an attack of acute pancreatitis include endoscopic ultrasound ... and microscopic bile analysis for the detection of biliary sludge and microlithiasis.

Biliary tract disease describes any disease that affects the biliary tract the gall bladder, bile ducts and accompanying structures. Examples include primary sclerosing cholangitis, secondary ...

Primary biliary cholangitis (formerly known as primary biliary cirrhosis ... a platelet count <150 or biochemical disease activity on treatment), imaging (liver ultrasound to identify overt cirrhosis ...

Endoscopic Diagnosis of Superficial Gastrointestinal Cancer.