Abstract #3026

Quantitative evaluation of Apparent Diffusion Coefficient (ADC) from two DWI sequences – echo planar spin echo (EPSE) and read-out segmented echo planar (RESOLVE) imaging

Eo-Jin Hwang¹, Hyun-Seok Choi¹, Yoon-Ho Nam¹, and Joon-Yong Jung¹

¹Department of Radiology, St.Mary Hospital, Seoul, Korea, Republic of

The purpose of this study was to quantitatively evaluate ADCs from two different DWI sequences – echo planar spin echo (EPSE) and read-out segmented echo planar (RESOLVE) imaging. The mean ADCs of the whole brain, GM, WM and CSF were compared based on masking templates generated from T2-weighted images. Our results demonstrated that although difference between the two ADCs was statistically significant over the whole brain regions, ADCs from msDWI and ssDWI were highly correlated (R² = 0.989). The relationship between the two ADCs should be considered to utilize it as an effective quantitative metric.

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