Research Article

Diffusion-Weighted Imaging with Two Different -Values in Detection of Solid Focal Liver Lesions

Table 4

Detection rate of solid FLLs with each sequence by the two readers in all, benign, and malignant lesions.

SequenceAll lesions ()Benign lesions ()Malignant lesions ()

Observer 1DWI60071.5 (98/137)41.4 (17/41)84.4 (81/96)
DWI10069.3 (95/137)60.9 (25/41)72.9 (70/96)
T2WI59.1 (81/137)36.6 (15/41)68.8 (66/96)

Observer 2DWI60070.8 (97/137)39.0 (16/41)84.4 (81/96)
DWI10066.4 (91/137)53.7 (22/41)71.9 (69/96)
T2WI65.7 (90/137)48.8 (20/41)72.9 (70/96)

Unless otherwise indicated, numbers are percentages, with raw data in parentheses. DWI600: diffusion-weighted imaging with -value of 0, 600 sec/mm2; DWI100: diffusion-weighted imaging with -value of 0, 100 sec/mm2; T2WI: T2-weighted imaging.