Table 2 Significant correlation coefficients between DTI indices of cisternal trigeminal nerve and gray matter volume (GMV) of pain-matrix regions in patients with TN before treatment
Region | FA (anterior part of the affected side) | AD (middle part of the affected side) | RD (middle part of the affected side) | MD (middle part of the affected side) |
|---|---|---|---|---|
PAG | 0.8319 | – | – | – |
Lt. PFC | 0.8454 | 0.7779 | – | – |
Rt. PFC | 0.8632 | 0.7916 | – | – |
Lt. PCC | 0.7500 | – | – | – |
Rt. ACC | 0.7560 | – | – | – |
Lt. amygdala | 0.7807 | – | – | – |
Rt. amygdala | 0.8418 | – | – | – |
Lt. PPC | – | 0.8114 | – | – |
Rt. PPC | 0.7889 | 0.7818 | – | – |
Lt. SMA | 0.8503 | – | – | – |
Rt. SMA | 0.8859 | – | – | – |
Lt. S1 | 0.7611 | – | – | – |
Lt. S2 | – | 0.8397 | – | – |
Rt. S2 | – | – | 0.7658 | 0.8137 |
Lt. cerebellum | 0.8215 | – | – | – |
Rt. cerebellum | 0.7898 | – | – | – |