Visibility of 20 trochlear nerves in each segment between 2 neuroradiologists
| Segment of the Trochlear Nerve | HR-MRC | BS-MRC | HR-MSDE | |||
|---|---|---|---|---|---|---|
| A | B | A | B | A | B | |
| Perimesencephalic | 19 | 14 | 19 | 18 | 20 | 20 |
| Tentorial* | 7 | 2 | 13 | 14 | 19 | 18 |
A indicates neuroradiologist A; B, neuroradiologist B.
↵* Significant differences among 3 MRI sequences by the χ2 test (P < .01).