Table 3. Location and count of DAI-associated TMBs in 10 patients.
Field strength | 3T SWI | 7T SWI | 7T SWI HR | ||||||
---|---|---|---|---|---|---|---|---|---|
Brain region | n | mean | SD | n | mean | SD | n | mean | SD |
frontal lobes | 219 | 21.9 | 26.7 | 254 | 25.4 | 31.9 | 281 | 28.1 | 31.2 |
parietal lobes | 25 | 2.5 | 2.5 | 39 | 3.9 | 5.4 | 47 | 4.7 | 5.3 |
temporal lobes | 113 | 11.3 | 15.0 | 115 | 11.5 | 12.6 | 129 | 12.9 | 13.8 |
occipital lobes | 46 | 4.6 | 10.0 | 47 | 4.7 | 10.0 | 80 | 8.0 | 16.8 |
corpus callosum | 55 | 5.5 | 13.3 | 92 | 9.2 | 23.6 | 105 | 10.5 | 23.9 |
cerebellum | 7 | 0.7 | 0.9 | 7 | 0.7 | 1.3 | 8 | 0.8 | 1.4 |
basal ganglia | 8 | 0.8 | 1.1 | 15 | 1.5 | 1.9 | 16 | 1.6 | 1.9 |
brain stem | 12 | 1.2 | 1.8 | 13 | 1.3 | 1.6 | 18 | 1.8 | 2.5 |
whole brain | 485 | 48.5 | 57.2 | 584 | 58.4 | 77.1 | 684 | 68.4 | 84.1 |
Results showing the amount of counted TMBs after consensus of both observers in 10 DAI patients. HR = high resolution; median = median value; n = number of traumatic microbleeds; SD = standard deviation; SWI = susceptibility weighted imaging.