Intracranial epidermoid cyst

Case contributed by Dr Ahmed Abd Rabou

Presentation

Recurrent attacks of headache and blurring of vision.

Patient Data

Age: 30-year-old
Gender: Male

CT Brain

Modality: CT

A midline infratentorial extra-axial retrocerebellar low density lesion with marginal calcification. It indents the posterior aspect of the cerebellar vermis.

MRI Brain

Modality: MRI

The lesion displays signal that is iso intense to CSF in T1 and T2, slightly hterogenous hypointense on FLAIR with no significant enhancement and with true diffusion restriction.

Case Discussion

The MRI features of a non-enhancing cystic lesion with contents more or less similar to CSF and with true diffusion restriction is conclusive of epidermoid cyst.

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Case Information

rID: 41892
Case created: 24th Dec 2015
Last edited: 9th Feb 2017
Inclusion in quiz mode: Included

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