Many imaging techniques are available to evaluate metastatic spread to the liver. This article discusses the diagnostic performances of ultrasonography, computed tomography, magnetic resonance imaging, positron emission tomography and the dual modality PET/CT. Comparative data will be highlighted, and an attempt at defining new diagnostic algorithm will be made.
Keywords: CT; FDG; Gastrointestinal cancers; Liver metastases; MR imaging; PET; PET/CT.
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