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Abstract #2313

Short-term reproducibility of apparent diffusion coefficient and intravoxel incoherent motion parameters in normal head and neck tissues: comparisons of 4b values, 4b values with cardiac gating, and 17 b values

KOUNG MI KANG 1 and Seung Hong Choi 1

1 Radiology, Seoul National Univ. Hospital, Seoul, Seoul, Korea

The objective of this study was to prospectively evaluate short-term test-retest reproducibility of IVIM parameters and apparent diffusion coefficient (ADC) of variable tissue in the head and neck using 4b values, 4b values with cardiac gating and 17b values, respectively. As a result, IVIM DWI using 4bvalues with gating was the most reproducible method in the head and neck in comparison with IVIM DWIs using 4b values or 17 values.

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