Trident sign - osmotic demyelination

Case contributed by Dr Brendon Friesen

Presentation

Seizures, ethanol dependence, and mild hyponatremia.

Patient Data

Age: 60-year-old
Gender: Female
MRI

MRI Brain

Central pontine T2 hyperintensity and diffusion restriction with "trident" configuration, with peripheral sparing, consistent with osmotic demyelination.

Severe supratentorial chronic ischemic change.

Case Discussion

Central pontine osmotic demyelination with the "trident sign".

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Case information

rID: 41818
Case created: 21st Dec 2015
Last edited: 19th Apr 2017
Inclusion in quiz mode: Included

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