Lateral pontine syndrome - Marie-Foix syndrome

Case contributed by Ammar Haouimi
Diagnosis almost certain


Sudden-onset of right hemiparesis in a hypertensive patient.

Patient Data

Age: 65 years
Gender: Female

Lesion of the left lateral aspect of the pons of a low signal on T1, high signal on FLAIR and T2 with restricted diffusion on DWI/ADC. No hemorrhagic component seen on the GE sequence.

Cerebral volume loss with small vessel ischemic changes.

Case Discussion

Lateral pontine syndrome, also known as Marie-Foix syndrome or Marie-Foix-Alajouanine syndrome, refers to one of the brainstem stroke syndromes of the lateral aspect of the pons. It is due to occlusion of perforating branches of the basilar and anterior inferior cerebellar (AICA) arteries.

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