How does a radiologist determine liver cancer to hemangioma?

MRI: Mri with contrast of the liver can be useful in helping to distinguish between the two.

MRI or CT +Contrast: Mri or ct of the liver are very useful in determining whether a liver lesion is a cancer or a hemangioma. Both would require IV contrast. The radiologist can tell the difference based on the way that the liver lesion takes up the contrast.