Presentation
Post-premature neonate. Downbeat nystagmus. Facial hemangioma.
Patient Data
Age: 4 months
Gender: Female
From the case:
Persistent trigeminal artery
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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.