Abstract #2481

Utility of semi-quantitative analysis of initial enhancement using TWIST-VIBE in the diagnosis of breast lesions

Mariko Goto¹, Koji Sakai¹, Kayu Takezawa¹, Hiroshi Imai², Elisabeth Weiland³, and Kei Yamada¹

¹Radiology, Kyoto Prefectural University of Medicine, Kyoto, Japan, ²Siemens Japan K.K., Tokyo, Japan, ³Siemens Healthcare GmbH, Erlangen, Germany

The prototype TWIST-VIBE sequence improves the temporal resolution of breast MRI while preserving spatial resolution. High-temporal resolution TWIST-VIBE was performed during the initial enhancement phase and high-spatial resolution routine DCE MRI in a single session, and whether the additional information of initial enhancement analysis using TWIST-VIBE improved the diagnostic accuracy of breast MRI was evaluated. The combination of BI-RADS and new parameters of initial enhancement (MS and TTE) calculated from TWIST-VIBE has the potential to increase the specificity of breast MRI and may be useful as additional information to determine the need for biopsy.

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