Annotated image
Sagittal MRI
Modality: Annotated image (Sagittal MRI)

- “ The tau sign refers to the unusual configuration of signal voids in the presellar ICA and in a persistent trigeminal artery, as viewed on parasagi...”

Used in the following article:

  • Tau sign - “ The tau sign represents the appearance of a persistent primitive trigeminal artery on the sagittal plane of an angiogram or on sagittal MRI images...”

View full size version of Persistent trigeminal artery

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