2022 AMI Online Salon

A Persistent Trigeminal Artery Variant Supplying Pons

Project Details

  • Entrant Name:  Shirley Li
  • Client: Philippe Gailloud, Lydia Gregg
  • Copyright:  Shirley Li, 2021
  • Medium/software used: Adobe Photoshop
  • Final presentation format: Half page, neuroanatomy atlas
  • Primary Audience: Neurosurgery residents and physicians, interventional neuroradiologists

Project Description

This illustration depicts an anatomic variation of a diminutive persistent trigeminal artery variant (PTAV) directly supplying the pons. The main image in the middle offers an oblique view of the brain with cerebrum in sagittal section and left midbrain in axial section, where the vascular architecture and the PTAV is highlighted. Two insets on the right depict two most common types of PTA with associated vascular plasticity. Knowledge on PTA and PTAV is important for neurosurgeons and interventional neuroradiologist when interpreting imaging and during preprocedural planning. This illustration provides visualization of an incidental PTAV with reference to common PTA anatomy.