Histological diagnosis of HCC was confirmed. This is a unusual case of HCC containing microscopic fat (signal drop on opposition phase images). In cirrhotic patient, more than 80 % of microscopic fat containing lesions are malignant, most of which are HCCs.
The differential diagnosis of fat containing liver lesions includes :
Benign:
Malignant:
- HCC
- metastastic liposarcoma
- primary liposarcoma
- other fat containing liver metastases