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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