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Fig. 3A —Hepatic adenoma in 40-year-old woman with lightheadedness.
Transverse contrast-enhanced sonograms 9 (A), 11 (B), and 12
(C) seconds after microbubble contrast injection show large mass
(arrows, A) that virtually fills field of view. Note
peripheral arteries feeding mass and subsequent centripetal progression of
intratumoral enhancement.