Lipiodol retention at the site of liver biopsy; a false positive result in the investigation of hepatocellular carcinoma.

A case is described in which Lipiodol, selectively injected into the hepatic artery as part of the investigation of a patient with hepatocellular carcinoma, was retained at the site of a previous liver biopsy leading to the false positive diagnosis of a daughter nodule. This has not been previously described.