Cerebellopontine angle lipoma

Case contributed by Dr Prashant Gupta

Presentation

MRI requested for non specific headache

Patient Data

Age: 60
Gender: Female
Modality: MRI

A well defined right cerebellopontine angle mass is seen that is hyperintense on T1 and T2, it is completely suppressed on the T2 fat/sat images 

Modality: CT

The NCCT confirms fatty nature of the lesion, the VIII nerve is seen to course through the mass with no apparent mass effect. few peripheral calcific foci are seen- also a known feature of lipoma

Case Discussion

Cerebellopontine angle lipoma comprise 10% of all intracranial lipoma. the differential would include a dermoid- but these are midline leison and very rare at CP angle. However secondary CP angle involvement is described in suprasellar dermoids.

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Case Information

rID: 18496
Case created: 10th Jul 2012
Last edited: 5th Oct 2015
Inclusion in quiz mode: Included

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