GI imaging - Gallstones and their consequences

Audience: Medical Students, Junior Radiology Residents, or GI Fellows

Learning objectives:
Recognize and describe gallstones on US, CT and MRI
Recognize and describe the key findings of acute cholecystitis and choledocolithiasis

Summary:
Best seen on ultrasound or MRI
Pigment stones are evident on CT
Cystic duct obstruction may cause biliary colic or cholecystitis
Common bile duct obstruction may cause ascending cholangitis or acute pancreatitis