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Abstract #2132

Sub-millimeter bSSFP isotropic T2 weighted breast imaging - results of a prospective clinical study to determine if specificity of breast MRI can be improved.

Frederick Kelcz1, Leah Henze Bancroft2, Jorge E. Jimenez2, and Walter F. Block2

1Radiology, University of Wisconsin, Madison, WI, United States, 2Medical Physics, University of Wisconsin, WI, United States

Although DCE-MRI is the mainstay of breast MRI diagnosis, specificity is limited due to multiple enhancing benign lesions. Specificity can by improved by viewing T2 information, but conventional T2 imaging is limited by spatial resolution. We performed a prospective clinical study of a novel T2-like imaging sequence with sub-mm spatial resolution to determine if a breast radiologist could improve his assessment of benignity. Results show that excellent spatial resolution was achieved, but at the cost of increased noise and loss of T2 contrast. Ultimately, the radiologist felt less confident in more cases than he felt more confident regarding benign lesions.

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