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Fig. 2D 68-year-old man with hepatocellular carcinoma (HCC) and
cirrhosis. Superparamagnetic iron oxide (SPIO)-enhanced gradient-recalled echo
images obtained with TEs of 9 (A), 13.5 (B), 18 (C), and
22.5 (D) milliseconds. Signal intensities of both HCC (arrow)
and liver gradually decreased as TE was lengthened, but signal decrease of
liver was more prominent between images obtained with TEs of 9 and 13.5
milliseconds. Signal difference-to-noise ratio was highest at TE of 13.5
milliseconds.