Abstract #2484

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

Leah C Henze Bancroft¹, Roberta M Strigel^1,2,3, Gavin Hamilton⁴, Scott B Reeder^1,2,5,6,7, 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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