TABLE 4:
MR imaging identification of the mandibular, maxillary, and ophthalmic nerves
| Study and Plane | V3 * |
V2 † |
V1 ‡ |
||||||
|---|---|---|---|---|---|---|---|---|---|
| 2 | 1 | 0 | 2 | 1 | 0 | 2 | 1 | 0 | |
| Nonenhanced 3D CISS (44 sides) | |||||||||
| Transverse | 2 (4.5) | 0 (0) | 42 (95.5) | 0 (0) | 0 (0) | 44 (100) | 0 (0) | 1 (2.3) | 43 (97.7) |
| Sagittal | 7 (15.9) | 11 (25) | 24 (54.5) | 0 (0) | 5 (11.4) | 39 (88.6) | 0 (0) | 18 (18.2) | 36 (81.1) |
| Coronal | 6 (13.6) | 15 (34.1) | 23 (52.3) | 0 (0) | 0 (0) | 22 (100) | 0 (0) | 0 (0) | 44 (100) |
| Enhanced 3D CISS (44 sides) | |||||||||
| Transverse | 26 (59.1) | 9 (20.5) | 9 (20.5) | 18 (41) | 22 (50) | 4 (9.1) | 35 (79.5) | 9 (20.5) | 0 (0) |
| Sagittal | 44 (100) | 0 (0) | 0 (0) | 24 (54.5) | 17 (38.6) | 3 (6.8) | 39 (88.6) | 4 (9.1) | 1 (2.3) |
| Coronal | 44 (100) | 0 (0) | 0 (0) | 13 (29.5) | 24 (54.5) | 7 (15.9) | 28 (63.6) | 12 (27.3) | 4 (9.1) |
| Enhanced 3D TOF (42 sides) | |||||||||
| Transverse | 34 (81) | 18 (42.9) | 0 (0) | 33 (78.6) | 8 (19) | 0 (0) | 39 (92.9) | 3 (7.1) | 0 (0) |
| Sagittal | 39 (92.9) | 3 (7.1) | 0 (0) | 31 (73.8) | 11 (26.2) | 0 (0) | 38 (90.5) | 4 (9.5) | 0 (0) |
| Coronal | 42 (100) | 0 (0) | 0 (0) | 30 (71.4) | 11 (26.2) | 1 (2.4) | 30 (71.4) | 12 (28.6) | 0 (0) |
Note.—Data are the numbers of nerves (percentage).
*
Inside foramen ovale.
†
At the inferior border of the cavernous sinus and inside the foramen rotundum.
‡
Inside the lateral wall of the cavernous sinus and the superior orbital fissure.