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Abstract #4374

Improvement of Positive Contrast DUTE Using Susceptibility-Weighted Phase Image Information Applied to Iron-Labelled Cells

Lindsey A. Crowe1, Sophie Borot2, Sonia Nielles-Vallespin3, Christian Toso2, Domenico Bosco2, Thierry Berney2, Jean-Paul Valle1

1Faculty of Medicine/Department of Radiology, University of Geneva, Geneva, Switzerland; 2Islet Isolation and Transplantation Center, Visceral Surgery Department, Geneva University Hospital, Geneva, Switzerland; 3Royal Brompton Hospital, London, United Kingdom

dUTE positive contrast MRI images can be further improved using susceptibility-weighting information from the long echo phase image to enhance contrast and further suppress background to homogeneous near-zero values for the UTE-TE(2) difference image. In-vivo MR imaging of iron-labelled islet cells in the liver are used to illustrate the technique.