Research Article

The Diagnostic Ability of rs-DWI to Detect Subtle Acute Infarction Lesion in the Different Regions of the Brain and the Comparison between Different b-Values

Table 2

The number of subtle infarcts in each anatomical region on ss-DWI and rs-DWI.

brain regionsss-DWIrs-DWIReference Standard
True PositiveFalse PositiveTrue PositiveFalse PositivePositive LesionNegative lesion

Frontal Cortex88911001109
Parietal Cortex554610624
Insular Cortex406060
Temporal Cortex252270272
Occipital Cortex302320322
White Matter85311211123
Basal Ganglia160170170
Brain Stem404040
Cerebellum110160160

Total31820385138620

ss-DWI: single shot-Diffusion Weighted Imaging; rs-DWI: readout segment-Diffusion Weighted Imaging.