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Comparison of LEAs and standard contrast medium. Still images from each injection under road map ordered from highest to lowest CNR. On the left side a single shot acquisition (nonsubtracted) of the entire phantom during injection of Omnipaque is displayed for reference. (A) 1000 micron. (B) 500 micron. (C) 313 micron.
CNR: contrast to noise ratio; LEA: liquid embolic agent.
