Table 1.

Histological classification of tumor-like primary hepatic space-occupying lesions

Hepatocellular lesions

Focal nodular hyperplasia[2]

Nodular regenerative hyperplasia[2]

Partial nodular transformation[3]

Adenomatoid hyperplasia (dysplastic nodules)[2]

Compensatory lobar or segmental hyperplasia[4]

Focal fatty change[2]

Accessory lobe[5]

Bile duct lesions

Biliary microhamartoma (Von Meyenburg complex)[2]

Cyst and polycystic liver[6]

Ciliated foregut cyst[7]

Epidermoid cyst[8]

Endometrial cyst[9]

Intrahepatic peribiliary gland cyst[2]

Mesothelial cyst[10]

Cystic echinococcosis[11]

Biloma[12]

Miscellaneous lesions

Mesenchymal hamartoma[2]

Inflammatory pseudotumor[2]

Pseudolymphoma[13]

Solitary necrotic nodule[14]

Peliosis hepatis[15]

Hereditary hemmorrhagic telangiectasia[16]

Sarcoidosis[17]

Nodular extramedullary hematopoiesis[18]

Abscess[19]

Tuberculoma[20]

Botryomycosis[21]

Malacoplakia[22]

Ectopic tissue[23] and adrenal rest tumor[24]

Pseudolipoma[2]

Granulomas[25]