Table 2

‚ÄÉResults of single photon emission computed tomography (SPECT), magnetic resonance imaging (MRI), and localised 1H-magnetic resonance spectroscopy (1H-MRS) carried out in eight patients with systemic lupus erythematosus

CaseSymptomsVolume of interestSPECTMRI1H-MRS
NAA/ChoNAA/CrCho/Cr
Cho, choline; Cr, creatine; NAA, N-acetylaspartate.
1HeadacheRight temporalHypoperfusedNormal1.742.051.18
Right frontalHypoperfusedNormal1.252.211.77
Left frontalNormoperfusedNormal2.132.321.09
2AsymptomaticRight frontalHypoperfusedNormal1.431.971.38
Left frontalHypoperfusedNormal1.471.951.33
Left occipitalNormoperfusedNormal2.211.90.86
3AsymptomaticLeft frontalHypoperfusedNormal1.392.441.76
Right frontalNormoperfusedNormal1.81.1.770.98
Right occipitalNormoperfusedNormal3.441.950.57
4HeadacheRight temporo-parietalHypoperfusedNormal2.742.861.05
Left temporo-parietalNormoperfusedNormal2.131.930.91
Right frontalHypoperfusedNormal2.172.651.22
5AsymptomaticRight parieto-occipitalHypoperfusedNormal2.931.970.67
Left parieto-occipitalNormoperfusedNormal2.792.090.75
6HeadacheLeft frontalHypoperfusedAbnormal2.011.430.71
Right frontalNormoperfusedAbnormal3.322.870.87
Right occipitalNormoperfusedNormal3.261.960.6
7AsymptomaticRight temporalHypoperfusedAbnormal2.41.90.8
Right frontalHypoperfusedNormal1.661.881.13
Left occipitalNormoperfusedNormal2.42.120.88
8HeadacheLeft frontalNormoperfusedNormal2.021.890.94
Right frontal-posteriorNormoperfusedAbnormal2.042.271.12
Right parieto-occipitalHypoperfusedAbnormal2.572.060.8
Reference values for healthy tissue (frontal lobes) from 12 male and 8 female control subjects aged 25 to 65 years (mean (SD))2.6 (0.5)2.1 (0.5)0.8 (0.2)