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Ultrasound is established as a screening method in the patient at high risk for hepatocellular carcinoma. US detection of a nodule in such a patient is frequently followed by contrast-enhanced ultrasound (CEUS) performed with the addition of a microbubble contrast agent. This allows for the evaluation of the mass in a similar manner to that on CT and MR scan where liver mass diagnosis is based on...
Contrast-enhanced ultrasound (CEUS) using microbubble contrast agents has expanded the role of US in the diagnosis of liver nodules in high risk patients for hepatocellular carcinoma (HCC). HCC is typically characterized by arterial hypervascularity and later washout (negative enhancement). Washout in the portal phase is often not obvious until late (>90 s). Benign nodules such as regenerative...
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