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Abstract #2542

Liver Imaging Reporting and Data System Category 5: 3.0 T MR Predictors of Microvascular Invasion and Early Recurrence after Hepatectomy for Hepatocellular Carcinoma

Jingbiao Chen1, Qungang Shan1, Yao Zhang1, Hao Yang1, Ying Deng1, Jun Wu1, Bingjun He1, Sichi Kuang1, Claude B Sirlin2, and Jin Wang1

1Department of Radiology, the Third Affiliated Hospital of Sun Yat-sen University(SYSU), Guangzhou, China, 2Department of Radiology, University of California San Diego, San Diego, CA, Armenia

Hepatocellular carcinoma (HCC) is the fifth most common malignancy worldwide. Tumor microvascular invasion (MVI) predicts early posthepatectomy HCC recurrence, but usually cannot be determined until the tumor is surgically removed and analyzed histologically. The capability preoperatively to predict MVI and early postsurgical recurrence would represent an advance by informing optimal selection of surgical candidates. Here we show that in combination with a AFP (a tumor biomarker), two Liver Imaging Reporting and Data System (LI-RADS) imaging features (mosaic architecture, corona enhancement) can predict MVI and three features (tumor number, mosaic architecture, absence of intralesional fat) can predict early recurrence.

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