Anatomic Structure | No. of Patients | |
---|---|---|
3D CISS | 3D FRFSE | |
IAC | ||
Facial nerve | 8/8 | 8/8 |
Cochlear nerve | 8/8 | 8/8 |
Superior vestibular nerve | 8/8 | 8/8 |
Inferior vestibular nerve | 8/8 | 8/8 |
Cochlea | ||
2.5 turns | 8/8 | 8/8 |
Modiolus | 8/8 | 8/8 |
Spiral lamina | 8/8 | 8/8 |
Semicircular canals | ||
Superior | 8/8 | 4/8 |
Posterior | 8/8 | 7/8 |
Horizontal | 8/8 | 7/8 |
Endolymphatic duct | 3/8 | 2/8 |
Facial nerve canal | 6/8 | 4/8 |
Note.—Structures were defined as adequately visualized or absent. Note loss of fluid signal intensity in the SCC on one-half of the FRFSE images. Visualized endolymphatic ducts were all normal in caliber.