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Abstract #3763

Histogram Peritumoral Enhanced Features on 3.0T MRI Arterial Phase Can Predict the Microvascular Invasion of Hepatocellular Carcinoma

Xinxin Wang1, Yunfeng Sun1, Xueyan Zhou2, Hongxia Zhang1, Jianxiu Lian3, and Yang Zhou1
1Department of Radiology, Harbin Medical University Cancer Hospital, Harbin, China, 2Harbin University, Harbin, China, 3Philips Healthcare, Beijing, China


Preoperative microvascular invasion (MVI) prediction plays an important role in therapeutic decision-making of hepatocellular carcinoma (HCC). We aimed to investigate the value of histogram based on the arterial phase (AP) of magnetic resonance imaging (MRI) with extracellular contrast agent compared with radiological features for predicting MVI of solitary HCC. Results showed that peritumoral AP enhanced degree on MRI showed an encouraging predictive performance for preoperative prediction of MVI, especially in sHCCs (AUC=0.798, sensitivity =54.84%, specificity =100% ). Corona enhancement thickness≤8 mm may be used as a predictive marker for MVI when compared with the group with thickness>8 mm.

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