47-year-old male. No PMH, positive smoker. Presents with fever, N/V, abdominal pain x 9 days. Liver mass on CT. Requesting triple phase for further evaluation. Evaluate for abscess versus old tumor. ABDOMEN:LUNG BASES: Small pleural effusions bilaterally.LIVER, BILIARY TRACT: 7.8 x 9.7 cm heterogeneous caudate lobe mass with central T2 hyperintensity and diffusion restriction. It shows continuous peripheral thin rim enhancement (series 401, image 27), most consistent with an abscess. It abuts and displaces the IVC, middle and left hepatic vein, and intrahepatic main portal vein, which remain patent.Smooth contour of the liver. Trace perihepatic ascites.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: No significant abnormality noted.RETROPERITONEUM, LYMPH NODES: Prominent pericaval lymph node.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
Large caudate lobe abscess. 