Pontine cavernoma

Case contributed by Dr Huda B. Gharbia

Presentation

Sudden onset headache, diplopia, and neurological deficit.

Patient Data

Age: 30 years
Gender: Female
CT

 There is a relatively well defined hyperdense area in lower pons, at pontomedullary junction posteriorly, surrounded by mild hypodensity edema, likely hemorrhage.

MRI

Follow after 2 months

There is a relatively well-defined lesion in the lower part of pons posteriorly, appears hyperintense on T1W and surrounded by a hypointense hemosiderin ring on T2W and FLAIR sequences with a popcorn-like appearance.

Case Discussion

Acute focal brainstem hemorrhage surrounded by subtle edema, can be due to vascular malformation or a cavernoma which gives characteristic popcorn appearance in MRI.

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Case information

rID: 66490
Published: 21st Feb 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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