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Abstract #4414

To Evaluate Effect of SENSE and CSENSE on Quantitative T1 and T2 mapping of Human Brain

Dinil Sasi S1, Anup Singh1,2, Rupsa Bhattacharjee1,3, Ayan Debnath1,4, Snekha Sehrawat1, Rakesh K Gupta5, Indrajit Saha3, and Marc Van Cauteren6

1Indian Institute of Technology Delhi, New Delhi, India, 2AIIMS, New Delhi, India, 3Philips India Limited, Gurugram, India, 4University of Pennsylvania, Philadelphia, PA, United States, 5Fortis Memorial Research Institute, Gurugram, India, 6Philips Health Tech Asia Pacific, Tokyo, Japan

Parallel-imaging and compressed-sensing based approaches are playing crucial role in accelerating MRI data acquisition. Objective of the study was to accelerate the data acquisition of T1, T2 and PD-weighted TSE images and to evaluate the accuracy of T1 and T2 mapping in the human brain. Data was acquired using SENSE parallel-imaging and Compressed-SENSE technique for different factors as well as without any acceleration. T1 and T2 values obtained using data with SENSE (upto factor of 3) and CSENSE (upto factor of 6) were comparable to those acquired without any acceleration. Errors in T1 and T2 increased with increase in acceleration factor.

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