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. 2022 Aug 12;13:928969. doi: 10.3389/fphys.2022.928969

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Copyright © 2022 Shi, Duan, Shi, Zhang, Liu, Shen, Liu, Mei, Li and Yuan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The patterns of arterial phase enhancement of hepatocellular carcinoma on contrast-enhanced MRI. (A) Homogeneously hypervascular HCC. (B) Hypervascular HCC with slit-like hypovascular foci. (C) With multifocal hypovascular foci. (D) Hypervascular HCC with the peripheral hypovascular area. (E) Completely isovascular HCC. (F) HCC with a nodular or irregular-shaped hypovascular portion at the inner area. (G) Hypovascular HCC with irregular rim-like enhancement. (H) Hypovascular HCC with the peripheral hypervascular area, discontinuous rim or crescent-like, and the presence of peritumoral enhancement seen in the arterial phase. (I) Hypovascular HCC with linear or spot-like hypervascular foci. (J) the presence of an intratumoral artery.