Table 3.

Histological classification of malignant primary hepatic space-occupying lesions

Hepatocellular tumors

Hepatocellular carcinoma[2]

Hepatoblastoma[2]

Combined hepatocellular and cholangiocarcinoma[2]

Intrahepatic bile duct tumors

Intrahepatic cholangiocarcinoma[2]

Cholangiolocellular carcinoma[62]

Bile duct cystadenocarcinoma[2]

Biliary rhabdomyosarcoma[63]

Solid-pseudopapilary tumor[64]

Vascular, lymphoid and haemopoietic tumors

Angiosarcoma[2]

Malignant angiomyolipoma[60]/malignant perivascular epithelioid

cell tumor[61]

Malignant hemangiopericytoma[65]

Epithelioid hemangioendothelioma[2]

Kaposi’s sarcoma[2]

Lymphoma[2]

Follicular dendritic cell sarcoma/tumor[66]

Extramedullary plasmacytoma[67]

Muscle, fibrous and adipose tumors

Leiomyosarcoma[68]

Rhabdomyosarcoma[69]

Fibrosarcoma[70]

Malignant fibrous histocytoma[71]

Liposarcoma[72]

Neuronal and neuroendocrine tumors

Carcinoid tumor[73]

Malignant neurilemmoma[74]

Miscellaneous tumors

Undifferentiated embryonal sarcoma[75]

Undifferentiated carcinoma[76]

Carcinosarcoma[2]

Lymphoepithelioma-like carcinoma[77]

Squamous cell carcinoma[78]

Germ cell tumor[79]

Chorioepithelioma[80]

Yolk sac tumor[81]

Immature teratoma[82]

Malignant rhabdoid tumor[83]

Malignant mesothelioma[84]

Synovial sarcoma[85]

Epithelial-myoepithelial carcinoma[86]

Gastrointestinal stromal tumor[87]

Osteosarcoma[88]

Osteoclast-like giant cell tumor[89]

Desmoplastic small round cell tumor[90]

Nested stromal-epithelial tumor[91]/ossifying stromal epithelial tumor[92]