ArticleCureus2025
Concomitance of Persistent Primitive Olfactory Artery and Basilar Artery Fenestration.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
The cerebral arterial circle exhibits substantial morphological variability, occasionally encompassing rare congenital vascular variants. We report a unique case of a 64-year-old woman in whom computed tomography angiography (CTA) revealed the coexistence of a persistent primitive olfactory artery (PPOA) and basilar artery (BA) fenestration. The PPOA originated from the left anterior cerebral artery (ACA) and coursed anteroinferior toward the cribriform plate, where it formed a characteristic hairpin turn before resuming the typical A2 trajectory. Concurrently, a BA fenestration was identified, with the right anteroinferior cerebellar artery arising from the right limb of the fenestrated segment. The simultaneous occurrence of these two vascular morphological variants is a unique phenomenon. The recognition of such variations is critical, as both may alter cerebral hemodynamics, predispose to aneurysm formation, and complicate surgical or endovascular interventions. The awareness of these vascular variants is essential for accurate diagnosis and surgical planning. CTA and magnetic resonance angiography (MRA) remain reliable, non-invasive imaging modalities for the identification and characterization of these conditions.
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