Table 2:
Volumetric data of control participants and patients with temporal lobe epilepsy
| Structures | Subjects |
||
|---|---|---|---|
| Control Participants | Right TLE | Left TLE | |
| Hippocampus | |||
| Mean R volume | 3011 (408) | 2101 (506)* | 3078 (501) |
| Mean L volume | 2857 (409) | 2943 (510) | 2238 (729)* |
| R/L volume ratio | 1.06 (0.05)‡ | 0.73 (0.22)‡ | 1.47 (0.38)‡ |
| Amygdala | |||
| Mean R volume | 1608 (167) | 1533 (248) | 1667 (237) |
| Mean L volume | 1497 (186) | 1610 (185) | 1440 (400) |
| R/L volume ratio | 1.08 (0.06)‡ | 0.95 (0.16)‡ | 1.24 (0.41)‡ |
| Thalamus | |||
| Mean R volume | 6360 (445) | 5217 (797)* | 5811 (1056)‡ |
| Mean L volume | 6484 (575) | 5716 (862)* | 5361 (884)† |
| R/L volume ratio | 0.98 (0.07) | 0.91 (0.09)‡ | 1.09 (0.11)‡ |
| Caudate head | |||
| Mean R volume | 3263 (445) | 3236 (362) | 3248 (440) |
| Mean L volume | 3297 (394) | 3382 (449) | 3271 (514) |
| R/L volume ratio | 0.99 (0.06) | 0.96 (0.05) | 0.99 (0.06) |
| Cerebellar hemispheres | |||
| Mean R volume | 71451 (8589) | 66890 (9465) | 66756 (8907) |
| Mean L volume | 72210 (8347) | 68093 (9164) | 68134 (9258) |
| R/L volume ratio | 0.99 (0.03) | 0.98 (0.03) | 0.99 (0.03) |
Note:—Volumes expressed as mm3, ( ) indicate standard deviations, R indicates right; L, left; R/L, right divided by left; TLE, temporal lobe epilepsy/resection.
*
Statistically significant difference between the patient groups and control subjects (p < .0001).
†
Statistically significant difference between one patient group and control subjects (p < .02).
‡
Statistically significant difference between 2 or 3 groups (p < .05).