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Abstract #2061

Rapid free-breathing 3D isotropic whole-heart diastolic and systolic myocardial T2mapping

Masami Yoneyama1, Michinobu Nagao2, Yasuhiro Goto3, Shuo Zhang4, Isao Shiina3, Kazuo Kodaira3, Yutaka Hamatani3, and Marc Van Cauteren5
1Philips Japan, Tokyo, Japan, 2Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women’s Medical University, Tokyo, Japan, 3Department of Radiological Services,, Tokyo Women’s Medical University, Tokyo, Japan, 4Philips Healthcare, Hamburg, Germany, 5Philips Healthcare, Best, Netherlands

Current myocardial T2-mapping based on either segmented or single-shot readout obtains one 2D slice per breath hold. To overcome the limitations in spatial coverage and breath hold dependence, we report free-breathing 3D isotropic whole-heart T2 mapping using a T2-prepared segmented gradient echo sequence with interleaved scan, which enables quantitative mapping at multiple cardiac phases such as late diastole and systole. We demonstrate the feasibility of this approach with comparison to the conventional techniques in healthy volunteer examination.

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