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Abstract #4558

Computational method for T2-weighted images based on polynomial approximation using 3D MR parameter mapping with RF-spoiled gradient echo

Tomoki Amemiya1, Suguru Yokosawa1, Yo Taniguchi1, Ryota Sato1, Hisaaki Ochi1, and Toru Shirai1

1Research & Development Group, Hitachi, Ltd., Tokyo, Japan

We propose a computational method for obtaining T2-weighted images from maps of proton density, T1, and T2* acquired by 3D RF-spoiled gradient echo. The proposed method uses a predetermined polynomial that approximates the relationship between the MR parameters and the intensity of T2WI on the basis of datasets of other subjects. Similarities between computed images and actually scanned images were improved compared with a computation method using T2* instead of T2 in the theoretical equation of the spin echo signal.

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