EEG, clinical MR imaging, and 1H-MRS lateralization based on asymmetry factors (AF) and combined scores (CS) of |NAA| and NAA/(Cr+Cho) in 15 patients with TLE
| Case (no.) | EEG | MR Imaging | Engel classification | 1H-MRS | PRESS AF | Multisection CSAF | CS|NAA| | CSRATIO | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |NAA| | Ratio | |NAA| | Ratio | Ipsilateral | Contralateral | Ipsilateral | Contralateral | |||||
| 1 | right | right hippo | 1 | right | −25.9 | −33.5 | −8.6 | −2.5 | 0.9 | 0.9 | 1.3 | 1.3 |
| 2 | right | right hippo | 1 | right | −9.0 | 1.6 | −3.4 | −21 | 0.9 | 0.9 | 1.2 | 1.5 |
| 3 | right | right hippo | 1 | right | −27.2 | −31.2 | −31.4 | −39.0 | 0.6 | 0.8 | 0.8 | 1.2 |
| 4 | left | left | 1 | left | −25.0 | −3.2 | −19.0 | −15.9 | 0.9 | 1.1 | 1.3 | 1.5 |
| 5 | left | left | 2 | left | 2.6 | 8.7 | −27.8 | −42.8 | 1.0 | 1.3 | 1.2 | 1.9 |
| 6 | left | left | 1 | left | −13.1 | −19.7 | −34.2 | −34.7 | 0.8 | 1.2 | 1.0 | 1.4 |
| 7 | left | left | 1 | left | 2.4 | −14.8 | −28.7 | −29.9 | 0.8 | 1.0 | 1.0 | 1.3 |
| 8 | left | left | 1 | Non-lat | −1.5 | −6.4 | −13.4 | −8.1 | 1.0 | 1.1 | 1.3 | 1.5 |
| 9 | left | left | 3 | left | −11.5 | −6.9 | −26.5 | −17.0 | 0.8 | 1.1 | 1.1 | 1.3 |
| 10 | left | left | 1 | left | −29.7 | −23.0 | −5.7 | −20.6 | 1.0 | 1.0 | 1.3 | 1.6 |
| 11 | left | left | 2 | left | −6.5 | −12.0 | −36.8 | −30.0 | 0.8 | 1.2 | 1.0 | 1.4 |
| 12 | left | left | 2 | left | 2.3 | 13.8 | −23.0 | −8.8 | 0.7 | 0.8 | 1.0 | 1.1 |
| 13 | left | normal | 1 | right | −6.3 | 3.8 | −12.9 | 18.4 | 1.1 | 1.3 | 1.6 | 1.3 |
| 14 | left | normal | 1 | left | 5.6 | 2.2 | −7.5 | −6.5 | 0.9 | 1.0 | 1.2 | 1.3 |
| 15 | left | normal | 1 | Non-lat | −7.5 | −14.0 | −11.6 | −10.8 | 1.1 | 1.2 | 1.5 | 1.7 |
Note.—Negative AFs and CSAFs indicate lower |NAA| or ratio on the ipsilateral side. Bold characters denote values above 2 SD of the mean of hippocampal values.