Cerebellar infarct and cerebellopontine angle lipoma

Case contributed by Dr Ayaz Hidayatov

Presentation

Known long-standing hypertension presented with acute vertigo and vomiting since few days.

Patient Data

Age: 50 years
Gender: Male

MR demonstrates an acute infarct involving the caudal portion of the right cerebellar hemisphere, an area of involvement corresponds to PICA territory.

There is a well-demarcated oval lesion in the right cerebellopontine angle which was hyperintense on T1, T2, and FLAIR with suppression on the T1Fs sequence. There is no DW restriction and extension into right IAC was noted. No parenchymal invasion. Findings most consistent with a lipoma.

There is also confluent bilateral periventricular white matter T2 hyperintense lesions due to chronic hypertensive encephalopathy.

Case Discussion

Intracranial lipomas are rare lesions and in most of the cases they are asymptomatic and detected incidentally.

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Case information

rID: 59515
Published: 12th Apr 2018
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included
Institution: Azerbaijan Medical University

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