Causes of Biliary Dilatation - Differential Diagnosis • Physiological: ↑ Age, Cholecystectomy, Opioid dependence, Post-sphincterotomy • Neoplasia: Pancreatic tumour, Cholangiocarcinoma, Ampullary tumour, Extrinsic compression • Congenital: Choledochol cyst, Caroli's disease, Duodenal diverticulum, AUPBD • Stones: Biliary stone(s), Microlithiasis (sludge), Mirizzi's syndrome • Inflammatory: Chronic pancreatitis, PSC (or secondary SC), IgG4, Post-op • Others: Ampullary stenosis, Parasitic infection, Ischaemic biliopathy, SOD Dr. Keith Siau @drkeithsiau #Biliary #Dilatation #causes #differential #diagnosis #hepatology #gastroenterology #dilated #bileduct
