Table 2.
18F-FDG-PET hypometabolism |
Decreased fractional anisotropy (FA) |
Increased mean diffusivity (MD) |
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---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Anatomical region |
Cluster size (mm3) |
Cluster level p corrected | MNI coordinates |
t statistic | Anatomical region |
Cluster size (mm3) |
Cluster level p corrected | MNI coordinates |
t statistic | Anatomical region |
Cluster size (mm3) |
Cluster level p corrected | MNI coordinates |
t statistic | ||||||
x | y | z | x | y | z | x | y | z | ||||||||||||
L inf F g (opercular) |
1325 | 0.05(FWE) | − 50 | 32 | 14 | 30.61 | L SLF (F)/forceps minor | 24 1457 |
0.05(FWE) 0.001 |
− 54 | 12 | − 4 | 20.08 | L SLF (F)/forceps minor | 1250 | 0.05(FWE) | − 44 | 32 | − 12 | 13.75 |
L Temporal (ant & mid) |
4260 | 0.05(FWE) | − 58 | 6 | − 26 | 30.52 | L ILF | 828 | 0.05(FWE) | − 40 | 16 | 30 | 13.54 | L ILF | 247 | 0.001 | − 48 | − 2 | 36 | 10.73 |
L Insula | 648 | 0.05 (FWE) | 32 | 18 | 2 | 28.35 | L EC | 78 | 0.05(FWE) | − 32 | 60 | 39 | 14.52 | L EC | 89 | 0.001 | − 20 | 22 | 12 | 9.54 |
L Angular g/Lat occipital | 612 | 0.05(FWE) | − 58 | − 64 | 32 | 20.21 | L SLF/IFL | 181 | 0.001 | − 40 | − 62 | 12 | 8.27 | L SLF/IFL | 218 | 0.001 | − 34 | − 24 | − 10 | 7.65 |
R Precentral g | 574 | 0.05(FWE) | 32 | − 24 | 52 | 16.06 | Post corona radiata/pyramidal tract | 118 | 0.001 | 28 | − 70 | 28 | 9.77 | R pyramidal tract | 134 | 0.001 | 10 | − 36 | 54 | 7.22 |
R inf F g (opercular) |
59 | 0.05(FWE) | 58 | 34 | 14 | 15.29 | R Unc | 477 | 0.05(FWE) | 18 | 26 | − 4 | 12.76 | R Unc | 289 | 0.001 | 18 | 30 | − 6 | 7.83 |
L Precentral g | 621 | 0.05(FWE) | − 52 | − 6 | 48 | 11.84 | L SLF/pyramal tract | 879 | 0.001 | − 42 | − 44 | 36 | 9.23 | L SLF/pyramidal tract | 461 | 0.001 | − 18 | − 10 | 72 | 10.97 |
L Orbito-frontal | 71 | 0.05(FWE) | − 24 | 40 | − 24 | 11.18 | L Unc | 136 | 0.05(FWE) | 26 | 4 | − 4 | 14.89 | L Unc | 65 | 0.001 | − 18 | 36 | − 4 | 9.25 |
Brainstem | 1400 | 0.001 | 4 | − 26 | − 12 | 10.66 | ||||||||||||||
L Thalamus | 681 | 0.05(FEW) | − 18 | 0 | 2 | 11.28 | ||||||||||||||
R Thalamus | 248 | 0.001 | 4 | − 26 | − 4 | 9.66 | ||||||||||||||
L occipital pole | 183 | 0.001 | − 34 | − 94 | − 8 | 9.51 | L IFO/ILF/forceps major | 241 | 0.001 | − 28 | − 94 | − 14 | 8.27 | L IFO/ILF/forceps major | 104 | 0.001 | − 32 | − 78 | 0 | 7.67 |
L mid & post Cing | 109 | 0.001 | − 6 | − 52 | 24 | 8.69 | L Cing/CC (Splenium)/F. Major | 1554 | 0.05(FWE) | − 20 | 30 | 2 | 12.40 | L Cing/CC (Splenium)/forceps major | 737 | 0.001 | 0 | − 38 | 22 | 7.28 |
L sup F g | 142 | 0.001 | − 6 | 60 | 32 | 8.34 | Forceps minor | 374 | 0.001 | 0 | − 38 | 22 | 7.27 | Forceps minor | 159 | 0.001 | − 18 | 32 | 16 | 5.75 |
R ant Temporal | 83 | 0.001 | 62 | 4 | − 26 | 8.00 | R ILF | 131 | 0.001 | 56 | − 12 | − 26 | 11.45 | |||||||
R inf F | 54 | 0.001 | 42 | 56 | 12 | 7.39 | R SLF | 77 | 0.001 | 54 | 4 | − 14 | 10.61 | R SLF/forceps minor | 859 | 0.001 | 20 | 32 | 4 | 6.75 |
L Basal Ganglia (pallidum) | 681 | 0.001 | − 18 | 0 | 2 | 11.28 | ||||||||||||||
R post Cing | 174 | 0.001 | 16 | − 46 | 40 | 9.68 | R post Cing | 79 | 0.001 | 12 | − 40 | 30 | 5.25 | |||||||
R CC/forceps major | 79 | 0.001 | 24 | − 82 | 20 | 9.24 | R CC/forceps major | 65 | 0.001 | 4 | − 42 | 14 | 5.43 |
L, left; R, right; Inf, inferior; Lat, lateral; Ant, anterior; Post, posterior; Mid, middle; F, frontal; G, gyrus; T-O: temporo-occipital; Prec, precuneus; Cing, cingulum; EC, external capsule; CC, corpus callosum; Unc, Uncinate fasciculus; IFO: inferior fronto-occipital fasciculus; SLF, superior longitudinal fasciculus; ILF, inferior longitudinal fasciculus; FWE: family-wise error; MTLE, mesial temporal lobe epilepsy; HS, hippocampal sclerosis; MNI, Montreal Neurological Institute and Hospital.