Endoscopic Ultrasound Atlas
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Sphincter of Oddi dysfunction

Sphincter of Oddi dysfunction Feb 2, 2005
Patient with biliary-type pain and increased values of cholestatic enzymes (alkaline phosphatase and gamma glutamyl transpeptidase). Linear EUS demonstrated a dilated bile duct, with progressive narrowing in the terminal (intrapancreatic part), without stones or sludge. Vascular structures (hepatic artery and portal vein) were clearly delineated by color Doppler EUS.
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