Image 1 & 2: Axial T2 and proton density weighted images of the brain reveal
replacement of normal CSF signal with low signal intensity in the Rt internal
auditory canal. The Rt internal auditory canal also appears slightly widened.
Image 3: Axial post contrast T1 weighted image demonstrates strong contrast
enhancement of the lesion in the Rt internal auditory canal.
Images 4 & 5: Coronal post contrast T1 weighted images again show strong
enhancement of the mass with extension to Rt cerebellopontine angle. (T. Lai)
Key words: mri tumor neoplasm temporal bone