Although FDG PET has low sensitivity in detection of HCC, it may be useful in differentiation of HCC and liver metastasis owing to the unlike images presenting between them.

• 虽然正子扫描在原发性肝细胞癌的侦测率并不高，但由于部份肝细胞癌的葡萄糖代谢表现可能明显不同于乳癌肝藏转移的高葡萄糖代谢表现，所以对于鑑别诊断此二者，正子断层扫描仍有其价值存在。