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Fig. 2 —Maximum intensity projections from reconstructed 3D
contrast-enhanced MR angiography of hand of 25-year-old healthy male volunteer
after IV administration of Gadovist (gadobutrol, Schering). Only right
extremity where cuff compression was applied is displayed. Images in top row
were obtained using flow rate of 0.5 mL/s; middle row, 1.0 mL/s; and bottom
row, 1.5 mL/s. Images were subsequently obtained at 20, 40, 60, 80, 100, 120,
and 140 seconds after initiation of contrast injection (images at 20 sec did
not show any vascular signal and are not displayed). Least venous
contamination was present when flow rate of 0.5 mL/s was used. Note absence of
palmar deep arch. Major venous overlay is observed starting 80 seconds after
contrast administration for all injection flow rates.
