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Abstract #2062

Accuracy of Liver Tumour Apparent Diffusion Coefficients (ADC) Can Be Improved by Selecting Optimised B-Values

Matthew Blackledge1, Matthew Orton1, Dow-Mu Koh1,2, Ben Wilton1, Toni Wallace2, Matin O. Leach1, David J. Collins1

1CR UK Clinical Magnetic Resonance Research Group, Institute of Cancer Research and Royal Marsden Hospital, Sutton, Surrey, UK; 2Department of Radiology, Royal Marsden Hospital, Sutton, Surrey, UK

Optimal b-values for maximisation of liver tumour ADC accuracy and contrast are calculated based on a statistical evaluation of ADC data from studies investigating diffusion weighted imaging of hepatic disease. It is shown that b-values of 0 and 900 s mm-2 should be used in a 1:3 ratio and evidence is given which supports these results.