Case 1

1, Right lung. 2, Left lung. 3, Right ventricle. 4, Left ventricle. 5, Inferior vena cava. 6, Descending aorta. 7, Thoracic spine. 8, Rib. 9, Hepatic dome.

Case 2

1, Lung. 2, Spleen. 3, Stomach. 4, Esophagus. 5, Descending aorta. 6, Thoracic spine. 7, Rib. 8, Liver. 9, Inferior vena cava. 10, Left hepatic vein. 11, Middle hepatic vein. 12, Right hepatic vein

Case 3

1, Right lobe of liver. 2, Left lobe of liver. 3, Portal vein. 4, Body of the pancreas. 5, Pancreatic tail. 6, Inferior vena cava. 7, Aorta. 8, Stomach. 9, Splenic vein. 10, Splenic artery. 11, Right adrenal. 12, Left adrenal

Case 4

1, Liver. 2, Duodenum. 3, Inferior vena cava. 4, Aorta. 5, Superior mesenteric artery. 6, Colon: hepatic flexure. 7, Small bowel. 8, Splenic vein. 9, Spleen.

• What is this lesion ?

Case 5

CT scan of the abdomen demonstrates pneumobilia with air in the gallbladder. There are multiple dilated loops of small bowel consistent with small bowel obstruction with a 2 x 1 cm laminated gallstone at the point of transition of the small bowel obstruction. There is a small amount of free intraperitoneal air. Image 1- demonstrates air in the biliary tree. Image 2- demonstrates air in the bilary tree and gallbladder. There is a small renal cyst on the left. Image 3- deomstrates a laminated gallstone at the point of obstruction in the small bowel.

Case 6

Case 5

There is also a mottled enhancing pattern of the hepatic parenchyma as well as a filling defect withinh the main portal vein extending into both right and left portal veins with enhancing vessels distally.