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Abstract #3897

Quantitative evaluations of placental function using Half-Fourier acquisition single-shot turbo spin-echo comparing with T2-relaxation time.

Kyoko Kameyama1, Aki Kido1, Yuki Himoto1, Ko Suginami2, Sachiko Minamiguchi3, Ikuo Konishi2, and Kaori Togashi1

1Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan, 2Gynecology and Obstetrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan, 3Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Half-Fourier acquisition single-shot turbo spin-echo (HASTE) imaging is now widely used for placental and fetal imaging due to its rapidity and its low sensitivity to fetal movement. We aimed to investigate the index of placental dysfunction using HASTE imaging by comparing T2-relaxation time, which is known to be one of the noninvasive biomarkers for IUGR. The placental SIR to the maternal psoas muscle (SIRpl/psoas muscle) showed significant correlation with placental T2 relaxation time. There was possibility that SIRpl/psoas muscle may have relation with fetal well-beings.

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