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. 2019 Apr 26;25(4):344–353. doi: 10.3350/cmh.2019.0016

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Copyright © 2019 by The Korean Association for the Study of the Liver

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 6. — Cone-beam computed tomography (CBCT) and transarterial chemoembolization (TACE) guidance software. (A) Arterial phase computed tomography (CT) showed 3 small hepatocellular carcinomas in the right hepatic lobe (arrows). (B-D) CBCT during arterial portography (CBCTAP) and dual-phase CBCT during hepatic arteriography (CBCTHA) could depict all tumors. (E) Common hepatic arteriogram showed two faint tumor stains (arrows). However, the tumor-feeders were unclear. (F) TACE guidance software identified the feeders of each tumor. (G-L) Each tumor-feeder was selectively embolized. One branch (Fig. 6I) was not detected by TACE guidance software, but it was embolized on our decision. (M) Unenhanced CT performed 1 week after ultraselective conventional TACE showed dense iodized oil accumulation in all tumors with a sufficient safety margin.