Epidermoid

Case contributed by Radswiki
Modality: CT

Large extra-axial hypodense lesion is seen at the pre-pontine cistern and right cerebellopontine angle.

Modality: MRI

Large extra-axial right cerebellopontine angle and pre-pontine irregular lesion, it elicits low signal at T1WI, high signal at T2WI and heterogeneous/dirty signal at FLAIR WI and restricted diffusion (increased signal at DWI). it displaces the pons posteriorly and to the left side and partly compresses the fourth ventricle. 

Case Discussion

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Case Information

rID: 11401
Case created: 20th Oct 2010
Last edited: 12th Sep 2015
Inclusion in quiz mode: Included

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