Unenhanced CT or MRI usually does not show the difference in intensity between the<unk>  and surrounding liver except when there is marked liver steatosis that reduces the attenuation of the liver, causing<unk>  to be hyperattenuating when compared with the surrounding liver. In the arterial phase CT or MRI, there is a strong enhancement not followed by washout. The lesion presents a slight hyperintensity or isodensity on portal venous phase or delayed phase images. There is also a presence of a central scar and absence of a capsule for the<unk> .
Focal nodular hyperplasia
Nodular regenerative hyperplasia
Gandy–Gamna nodules
Atypical ductal hyperplasia
Lobular carcinoma in situ
Intraductal papilloma
Atypical adenomatous hyperplasia
Fibroadenoma