Persistent trigeminal artery

Case contributed by Dr Jeremy Jones


Post-premature neonate. Downbeat nystagmus. Facial haemangioma.

Patient Data

Age: 4 months
Gender: Female

Prominence of extra-axial subarachnoid spaces with dependancy of brain parenchyma. Minimal herniation of posterior fossa gyri over the anterior tentorium.

Incidental persistent trigeminal artery, a remnant of fetal circulation.

Case Discussion

This premature neonate has not specific abnormality to account for nystagmus. However, there is a persistent trigeminal artery, a remnant of fetal circulation and generalized prominence of subarachnoid spaces.

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Case information

rID: 26738
Published: 5th Jan 2014
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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