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Abstract #2484

Rapid T1 and T2 Measurements of Breast Tissue at 3T using Multi-TR, Multi-TE Spectroscopy

Leah C Henze Bancroft1, Roberta M Strigel1,2,3, Gavin Hamilton4, Scott B Reeder1,2,5,6,7, and Diego Hernando2

1Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, 2Radiology, University of Wisconsin-Madison, Madison, WI, United States, 3University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, United States, 4Radiology, University of California, San Diego, San Diego, CA, United States, 5Medicine, University of Wisconsin-Madison, Madison, WI, United States, 6Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States, 7Emergency Medicine, University of Wisconsin-Madison, Madison, WI, United States

The highly heterogeneous distribution of fat and fibroglandular tissue in the breast makes obtaining accurate measures of T1 and T2 relaxation times difficult. Here, a rapid, multi echo, multi TR spectroscopy sequence is used to measure the T1 and T2 relaxation times of fat and fibroglandular tissue in the breast at 3T. Partial voluming effects are accounted for through accurate measurement of the proton density fat fraction.

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