1. Radiology of theHepatobiliarySystem O.MelihTopcogluM.D. Yeditepe UniversityMedical School

2. Outline Liver Gallbladder, intra-extrahepatic bile ducts Spleen Pancreas

3. HepatobiliarySystem Liver Gallbladder, intra-extrahepatic bile ducts Spleen Pancreas

4. HepatobiliarySytem • Imagingmodalities: • Ultrasonography • ComputedTomography • MagneticResonanceImaging • MagneticResonancecholangiopancreatography (MRCP)

5. What is ultrasound?

23. Contrast material • CT: Iodine based contrast material • MR: Gadolinium based contrast agent • 100% renal excretion • MR: Hepatospecific contrast material • 60% biliary and 40% renal excretion

24. Phasic imaging • Arterial phase • Portal venous phase • Hepatobiliary phase

33. Cirrhosis

36. Liver diseases Focal liver lesions Diffuse liver lesions Hepatic fibrosis Hepatosteatosis Hemochromatosis Hepatitis Budd-Chiari syndrome Cirrhosis • Simple cysts • Hemangioma • Hydatic cysts • Abscess • Adenoma • Focal nodular hyperplasia • Hepatocellular carcinoma • Cholangiocarcinoma • Metastases

37. Biliary system • Gall-bladder • Intra- and extrahepatic biliary tracts

41. Mirizzi syndrome