PART 14: Disorders of the Gastrointestinal System
SECTION 2 Liver and Biliary Tract Disease
311 Diseases of the Gallbladder and Bile Ducts
 | Figure 311-1 Scheme showing pathogenesis of cholesterol gallstone formation. Conditions or factors that increase the ratio of cholesterol to bile acids and phospholipids (lecithin) favor gallstone formation. ABCB4, ATPbinding cassette transporter; ABCG5/8, ATP-binding cassette (ABC) transporter G5/G8;... |
view large |
 | Figure 311-2 Examples of ultrasound and radiologic studies of the biliary tract. A. An ultrasound study showing a distended gallbladder containing a single large stone (arrow), which casts an acoustic shadow. B.... |
view large |
