Liver is one of common targeted organs for metastasis from primary cancer of other organs, especially from gastrointestinal cancer. The authors conducted this study to assess the value of ultrasound and computed tomography in the diagnosis of metastatic liver cancer. The objects of the study included 54 patients suspected secondary liver cancer, who had already had primary cancer in another organ. Cytological or pathological results were used as the gold standard for diagnosis. The results showed that most of liver metastasis was from GI tract, including 25.9 percent from gastric cancers; 64.8 percent - tumors under 3 cm in size; 50 percent hyperechogen tumors, 38 percent - hypoechogen, and 66.6 percent - hypodensity on CT. US and CT had similar value in diagnosis of liver metastatic cancer. The sensitivity, specific and correct diagnostic values of these imaging methods were 90.7 percent/92.6 percent; 83.3 percent/83.3 percent; and 90 percent/91.7 percent, respectively.
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