Acoustic neuroma

Case contributed by Javier Sanchez , 2 Sep 2014
Diagnosis certain
Changed by Tee Yu Jin, 28 Mar 2020

Updates to Study Attributes

Findings was changed:

There is a complex mass based within the right cerebellar-pontine angle, with widening of the right internal auditory canal, involvement of both cochlear and vestibular branches of CN VIII.Coronal T2 fat sat image nicely depicts mass about right CN VIII sheath.The mass exhibits intense heterogeneous enhancement post gadolinium.

Incidental arachnoid granulation in the right transverse sinus.

Images Changes:

Image MRI (T1) ( update )

Description was removed:
There is a heterogeneous hypointense mass within the right cerebellar-pontine angle.

Image MRI (FLAIR) ( update )

Description was removed:
The mass is slightly hyperintense on FLAIR imaging.

Image MRI (T2) ( update )

Description was removed:
Heterogeneous hyperintense on T2W with enlargement of right IAC

Image MRI (T2) ( update )

Description was removed:
Enlargement of right IAC

Image MRI (T2 fat sat) ( update )

Description was removed:
IAC specific sequence nicely depicts mass about CN VIII sheath

Image MRI (T2 fat sat) ( update )

Description was removed:
Well defined borders adjacent to the right cerebellar peduncle

Image MRI (T2 fat sat) ( update )

Description was removed:
Well defined borders adjacent to the right cerebellar peduncle

Image MRI (T1 C+) ( update )

Description was removed:
The mass exhibits intense heterogeneous enhancement post gadolinium.

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