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 regions
ss-DWI
rs-DWI
Reference Standard
True Positive
False Positive
True Positive
False Positive
Positive Lesion
Negative lesion
Frontal Cortex
88
9
110
0
110
9
Parietal Cortex
55
4
61
0
62
4
Insular Cortex
4
0
6
0
6
0
Temporal Cortex
25
2
27
0
27
2
Occipital Cortex
30
2
32
0
32
2
White Matter
85
3
112
1
112
3
Basal Ganglia
16
0
17
0
17
0
Brain Stem
4
0
4
0
4
0
Cerebellum
11
0
16
0
16
0
Total
318
20
385
1
386
20
ss-DWI: single shot-Diffusion Weighted Imaging; rs-DWI: readout segment-Diffusion Weighted Imaging.