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Fig. 2D —46-year-old woman with metastatic colon cancer exhibiting
discordance due to timing of imaging. Graph shows quantitative measurement of
enhancement from contrast-enhanced sonogram. Metastatic lesion fills rapidly
to peak and washes out within 5 seconds of initiation of arterial enhancement
in hepatic parenchyma. Lesion becomes enhanced at lower level than liver for
rest of arterial phase. Typical timing for arterial phase contrast-enhanced CT
image is indicated.
