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Abstract #3603

Improvement of multi-echo gradient-spin-echo (mGraSE) myocardial T2 mapping utilizing Compressed SENSE reconstruction framework

Isao Shiina1, Michinobu Nagao2, Masami Yoneyama3, Yasuhiro Goto4, Kazuo Kodaira4, takumi ogawa4, Mamoru Takeyama4, Isao Tanaka4, and Shuji Sakai2
1Radiological Services, Tokyo Women's Medical University Hospital, tokyo, Japan, 2Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women's Medical University Hospital, Tokyo, Japan, 3Philips Electronics Japan, Tokyo, Japan, 4Department of Radiological Services, Tokyo Women's Medical University Hospital, Tokyo, Japan

Myocardial T2 mapping using a multi-echo gradient-spin-echo (mGraSE) is widely used in clinical practice for quantitatively evaluating myocardial tissue properties with single breath-hold scan, but the limited scan time during the breath-hold period often results in poor signalto-noise ratio. Compressed SENSE has recently been developed to accelerate the acquisition time. Although C-SENSE is basically applied for non-EPI scans, mGraSE can also be applied the C-SENSE reconstruction framework. mGraSE myocardial T2 mapping with C-SENSE demonstrated improved image quality with higher image uniformity entire the shot-axis myocardium compared with conventional SENSE.

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