Retrospective Analysis of Contrast-Enhanced Ultrasound Findings of Hepatic Malignancies of Different Pathological Types

doi:10.7517/issn.1674-0475.200106

Abstract

Abstract: The purpose of this article is to explore the value of contrast-enhanced ultrasound (CEUS) in differential diagnosis of hepatic malignancies of different pathological types. CEUS findings of 38 cases of hepatic malignancies confirmed by pathology were analyzed retrospectively and compared with histopathological results. There were 12 cases of Hepatocellular carcinoma (HCC), 8 cases of intrahepatic cholangiocarcinoma (ICC) and 18 cases of metastatic liver cancer (MLC) in 38 patients, of whom CEUS almost showed perfusion characteristics of "fast in and fast out". In the arterial phase:HCC showed rapid total hyper-enhancement; ICC showed uneven and high enhancement (75.0%), and some showed a "spoke sign" (50%); MLC showed total hyper-enhancement (55.6%) or thick rim-like hyper-enhancement (44.4%). In the portal phase and delayed phase:Rapid regression presented hypo-enhancement (89.5%) or non-enhancement (7.9%). There were differences in the time of enhancement, peak and regression in different tumors (P<0.001). According to the order from fast to slow, they were MLC, ICC, and HCC respectively.In summary, most hepatic malignancies have certain characteristic manifestations in contrast-enhanced ultrasound and are of great value in differential diagnosis.

Key words: pathology, hepatic malignancy, contrast-enhanced ultrasound

WANG Qin, WANG Jinping, WANG Jiajia, LI Baoqi. Retrospective Analysis of Contrast-Enhanced Ultrasound Findings of Hepatic Malignancies of Different Pathological Types[J]. Imaging Science and Photochemistry, 2020, 38(4): 708-712.

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