Patient History
42 y/o, female, Hx inbalance x 6 months, absent left vestibular function, r/o acoustic neuroma.
Image Findings
Evidence of a large 2.7cm left cerebellar pontine angle mass extending into the left internal auditory canal which appears widened. The mass itself is hyperintense on T2 and mildly hypointense on T1. There is associated mass effect on the brain stem which is moderately compressed and displaced towards the right side.
Sequence details
T1 pre-post contrast axials, 3D CISS axial with MPR coronal reformat, T1 cor fatsat post,
T2 & FLAIR axial brain
Results and Discussions
Findings consistent with a left acoustic Schwannoma.
Technical details
LOCATION and DATE of scan
Montfort Hospital – Portobello Site, Ottawa, Ontario, Canada
14/04/2005
Scanner Model Used
Avanto 1.5T
Coils Used
Head matrix
Software Version / ADD-ON Used
Syngo 2004b