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Fig. 1F. 60-year-old man with colorectal carcinoma and metastatic
liver involvement suspected on sonography. Axial ferumoxides-enhanced turbo
spin-echo STIR T2-weighted MR image shows that accumulation of ferumoxides
causes drop in signal intensity of normal parenchyma and increases contrast
between lesion and liver. After ferumoxides administration, all lesions
identified in unenhanced scan are confirmed, and four additional ones are
depicted (arrowheads). Moreover, lesions are better defined.