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High-energy ultrasound sharpens view of liver tumors
Date:1/7/2008

ave mediocre performance in the detection of early liver cancers," he added. "There is a potential role for ARFI because it is low cost and can be built on conventional ultrasound machines."

Traditional ultrasound is now the guidance method of choice in many hospitals for procedures targeting the liver, kidneys, pancreas and lymph nodes, Trahey said. Ultrasound has advantages in that it is widely available, low cost and doesn't expose patients to ionizing radiation. However, a significant number of tumors are difficult to see with this method, requiring physicians to resort to alternatives such as CT and MRI, which add to the complexity and cost.

In the new study, the researchers captured ARFI images of 12 tumors in nine patients, including seven liver and two kidney tumors, and compared them to traditional ultrasound. The ARFI pictures showed greater contrast than standard ultrasound, providing clearer definition of the edges of cancerous masses.


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Contact: Kendall Morgan
kendall.morgan@duke.edu
919-660-8414
Duke University
Source:Eurekalert

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