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Fig. 2 Diagram shows time course of gadolinium-enhanced multiphasic spoiled
turbo field-echo imaging. Scans were started at test-bolus peak enhancement,
and central k-space data were acquired 6, 18, 55, and 180 seconds after
arrival of contrast medium in abdominal aorta, estimated with test-bolus
imaging. Echoes sampled during acquisitions and filled in central k-space
lines markedly affected entire image contrast. HAP = hepatic artery-dominant
phase, PVP = portal venous phase, EP = equilibrium phase.