Research Article

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

Table 3

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

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

DWI60071.1 (97.5/137)40.2 (16.5/41) 84.4 (81/96)
DWI10067.9 (93/137)57.3 (23.5/41)72.4 (69.5/96)
T2WI62.4 (85.5/137)42.7 (17.5/41) 70.8 (68/96)
valueDWI100 versus DWI6000.5730.1270.04
DWI100 versus T2WI0.3330.1900.838
DWI600 versus T2WI0.1250.8250.024

Data are averaged for two independent observers. 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.