Rationale And Objectives: We investigated whether the peritumoral enhancement feature can aid in discriminating hepatocellular carcinoma (HCC) from intrahepatic cholangiocarcinoma (ICC) in contrast-enhanced ultrasound (CEUS) Liver Imaging Reporting and Data System M (LR-M).
Materials And Methods: Between May 2018 and July 2024, 147 LR-M and 320 LR-5. lesions with pathologically confirmed HCC and ICC diagnoses after CEUS were examined.