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Abstract #1874

Simultaneous multi-slice echo planar imaging for accelerated diffusion-weighted imaging of malignant and benign breast lesions

Sabine Ohlmeyer1, Frederik Bernd Laun1, Theresa Palm1, Rolf Janka1, Elisabeth Weiland2, Michael Uder1, and Evelyn Wenkel1

1Institute of Radiology, University Hospital Erlangen, Erlangen, Germany, 2Application Development, Siemens Healthcare, Erlangen, Germany

The diagnostic accuracy of breast MRI can be increased by performing an additional diffusion sequence (EPI), however, further extending the examination time. Aim of our study was to investigate simultaneous multi-slice (SMS) accelerated EPI (TA 1:37 min) compared to the standard sequence (TA 2:57 min) in a clinical study. Image quality, artifacts and the apparent diffusion coefficient (ADC) of 72 breast lesions were determined. SMS-EPI achieved the same ADC values in benign and malignant breast lesions compared to the standard sequence, image quality did not differ. This indicates that SMS acceleration can be used for diffusion imaging in breast MRI.

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