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Abstract #3188

Design of a k-space trajectory allowing the reconstruction of both standard and accelerated data in fat-suppressed DCE-MRI of breast

Julie POUJOL1,2, Pierre-André VUISSOZ1,2, Jacques FELBLINGER1,2,3, and Freddy ODILLE1,2,3

1Imagerie Adaptative Diagnostique et Interventionnelle, Université de Lorraine, Nancy, France, 2U947, INSERM, Nancy, France, 3CIC-IT 1433, INSERM, Nancy, France

DCE-MRI protocol is the reference technique to detect and characterize breast lesions. Due to the high spatial resolution needed to detect small lesions, the temporal resolution of the DCE-MRI protocol is limited to 90 seconds. A good fat suppression is also needed and a spectral inversion preparation is commonly used for it. To provide more information about lesion vascularization, temporal resolution need to be increased. We have developed a method to implement a smart k-space trajectory allowing both standard DCE-MRI protocol reconstruction and accelerated DCE-MRI protocol via Compressed-Sensing reconstruction compatible with fat suppression.

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