Epidermoid cyst - involving pre-pontine and basal cisterns and left CP angle

Case contributed by Dr Ashutosh Gandhi

Presentation

Blurred vision in left eye.

Patient Data

Gender: Male

Well-defined non-enhancing extra axial mass
lesion in left cerebello-pontine angle cistern, left perimesencephalic cistern,
left ambient cistern and reaching upto the posterior aspect of suprasellar
cistern.

The lesion is hyperintense on T2W images, which
is hypointense on T1W images and reveals restricted diffusion on DW images. It
is hyperintense to CSF on FLAIR images. 
It represents an epidermoid cyst.
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Case information

rID: 20385
Case created: 16th Nov 2012
Last edited: 5th Oct 2015
Inclusion in quiz mode: Included

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