|
FIG 5. Transmacular dumbbell schwannoma.
A, Axial contrast-enhanced T1-weighted MR image (800/27/2) at the level of the IAC shows an enhancing mass in the fundus of the IAC (large white arrow) with extension into the vestibule (small white arrow).
B, Axial high-resolution FSE T2-weighted MR image (4000/102/6) at the level of the IAC shows a small nodular mass in the fundus of the IAC (small white arrow). The hypointense mass extends into the vestibule (large white arrow). In addition, the normal left fluid-filled cochlea (large open white arrow) and cochlear aperture (small open white arrow) are seen. Used by permission (37).
|