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Abstract #4537

Repeatability investigation and radiologic assessment of reduced field of view DWI on thyroid glands

Yonggang Lu 1 , Vaios Hatzoglou 1 , Hilda E. Stambuk 1 , Suchandrima Banerjee 2 , Ajit Shankaranarayanan 2 , Yousef Mazaheri 1 , Joseph O. Deasy 1 , and Amita Shukla-Dave 1

1 Memorial Sloan-Kettering Cancer Center, NEW YORK, New York, United States, 2 Global Applied Sciences Laboratory, GE Healthcare, Menlo Park, California, United States

This study investigated the repeatability and assessed the radiologic quality of reduced field of view diffusion weighted imaging (rFOV DWI) in thyroid glands of healthy human volunteers. Repetitive DWI scans were performed on each subject within the same scan exam and across scan exams. Image qualities were scored and apparent diffusion coefficient (ADC) values were calculated on the lobes of thyroid glands and followed by reproducibility investigation. The study demonstrated that rFOV DWI had significantly improved image quality but lower ADC values and lesser repeatability value of ADC compared to the conventional DWI techniques in the region of thyroid glands.

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