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Abstract #2826

Imaging features and prognosis after curative resection of proliferative hepatocellular carcinoma with LR-4/5 and LR-M

Yingliang Xie1, Zixin Liu1, Xueqin Zhang2, and Xiance Zhao3
1Nantong University, Nantong Third People’s Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, China, 2Nantong Third People’s Hospital, Affiliated Nantong Hospital 3 of Nantong University, Nantong, China, 3Philips Healthcare, Shanghai, China, Shanghai, China

Synopsis

Keywords: Liver, Liver

Motivation: Proliferative hepatocellular carcinomas (HCC) have higher malignancy and worse prognosis than non-proliferative HCC. The HCCs with the Liver Imaging Reporting and Data System (LI-RADS) v2018 category M (LR-M) also associated with the early occurrence.

Goal(s): To investigate the preoperative predictive factors for identifying proliferative HCC based on LI-RADS category 4/5 (LR-4/5) and LR-M, and evaluate their impacts on prognosis.

Approach: Retrospective study.

Results: Intratumoral artery and non-smooth tumor margin were independent risk factors for proliferative HCC in LR-4/5. Substantial hypoenhancing component was independent risk factor in LR-M. The RFS of non-proliferative and proliferative LR-M groups were worse than other group.

Impact: Combining LI-RADS classification and proliferation helps to stratify the risk of recurrence after curative resection in patients with solitary HCC.

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