Needle track seeding following percutaneous procedures for hepatocellular carcinoma

Figure 1 Suggested algorithm for evaluation of a liver mass detected during hepatocellular carcinoma surveillance in a patient with cirrhosis according to the American Association for the Study of Liver Diseases (AASLD) guidelines[5].

Figure 2 MRI features of HCC seeding following RFA. A: An arterial phase MRI examination of the liver and an enhancing mass in the intercostal space, indicated by the arrowheads, in the right hemithorax; B: A delayed phase MRI examination that shows the mass in the intercostal space, but this is hypointense compared with the rest of the liver.