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. Author manuscript; available in PMC: 2009 Jul 13.
Published in final edited form as: Ann Neurol. 1997 Dec;42(6):829–837. doi: 10.1002/ana.410420603

Table 3.

Comparison of Lateralization (n = 13)

Concordant Discordant Non-
lateralized
FDG-PET
     Asymmetry score ≥ 3 12 0 1
HV
     AI ≥ 8% 10 0 3
T2
     AI ≥ 4% 9 0 4
NAA/(Cho + Cr)
     AI ≥ 12% 7 1 5
[NAA]
     AI ≥ 12% 7 0 6

FDG-PET = 2-[18F]fluoro-2-deoxy-d-glucose positron emission tomography; HV = hippocampal volumetry; AI = asymmetry index; NAA = N-acetyl aspartate; Cho = choline; Cr = creatine; [NAA] = NAA concentration.