30-year-old woman with history of epigastric pain, right upper quadrant tenderness, nausea, and vomiting. ABDOMEN:LIVER, BILIARY TRACT: The liver is normal in signal and morphology. There is hyperenhancement surrounding the gallbladder fossa but no suspicious focal hepatic lesion. The gallbladder is distended and contains small stones. There is a small amount of pericholecystic fluid and gallbladder wall edema. Additionally, the common bile duct measures up to 13 mm in diameter (5/56) with an 8 mm round filling defect at the ampulla (5/46).SPLEEN: No significant abnormality noted.PANCREAS: The pancreatic duct is nondilated and the parenchyma appears normal.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: No significant abnormality noted.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
1.8 mm stone at the ampulla with resultant extra and intrahepatic biliary ductal dilatation.2.Acute cholecystitis.