Primary liver cancer is one of the most common malignant tumor and leading cause of cancer-related death worldwide. Basically therapeutic strategies were considered and given based on the staging of liver cancer. Thus, the confirmatory diagnosis of numbers and distribution of malignant lesions were extreme important. Enhanced CT or MRI is routinely imaging scans to detect and identify lesions. Unfortunately, some malignant lesions usually presented untypical imaging characteristics, especially among lesions no larger than 1 cm, which misleading to the exact staging of liver cancer and the optimal therapeutic strategies.