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Abstract #1546

Joint Reconstruction of DCE Abdominal Images

Nadine Gdaniec 1 , Andrea J. Wiethoff 2,3 , Peter Brnert 4 , Mariya Doneva 4 , Ivan Pedrosa 3,5 , and Alfred Mertins 1

1 Institute for Signal Processing, University of Luebeck, Luebeck, Luebeck, Germany, 2 Philips Research North America, Briarcliff Manor, New York, United States, 3 Advanced Imaging Research Center, UT Southwestern Medical Center, Dallas, Texas, United States, 4 Philips Research Laboratories, Hamburg, Germany, 5 UT Southwestern Medical Center, Dallas, Texas, United States

An abdominal dynamic contrast enhanced (DCE) examination typically consists of a series of images acquired with the same imaging sequence. The resulting images represent the same anatomy, but differ due to contrast agent arrival and wash-out. The contrast agent injection can make it more difficult for the patient to hold their breath properly, resulting in severe artifacts after contrast injection. Data are acquired with a modified adaptive sampling pattern, which implies higher undersampling for shorter breath-holds. The post-contrast images should, therefore, benefit from a joint reconstruction of pre- and post-contrast images, which is evaluated in this work.

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