Perfusion

Researchers at University of Toronto publish new data on perfusion

Published in Clinical Oncology Week, December 1st, 2008

"Contrast enhanced ultrasound imaging provides a real-time tool for evaluating vasculature in the liver. Primary liver cancer is known to be perfused exclusively by blood from the hepatic artery, whereas normal liver is also supplied by the portal vein," scientists writing in the journal IEEE Transactions on Medical Imaging report.

"Visual separation of two different phases of enhancement from the independent feeding vessels is important for diagnosis but remains a challenge. This paper presents a method of using factor analysis for extracting distinct time-intensity curves. A key component to this extraction is the clustering of measured bolus curves and their...

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Source: Clinical Oncology Week (2008-12-01)

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