Anat Cell Biol.
2025 Mar;58(1):122-126. 10.5115/acb.24.257.
A case of occipital artery originating from the vertebral artery
- Affiliations
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- 1Division of Anatomy, Faculty of Dentistry, “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania
- 2Division of Neurosurgery, Department 6— Clinical Neurosciences, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania
- 3Clinic of Neurosurgery, “Dr. BagdasarArseni” Emergency Clinical Hospital, Bucharest, Romania
- KMID: 2565963
- DOI: http://doi.org/10.5115/acb.24.257
Abstract
- Anomalies of the vertebral artery (VA) and its branches are rare but critical in neurovascular procedures. In a 38-yearold female, digital subtraction angiography revealed an anomalous origin of the occipital artery (OA) from the V3 segment of the left VA, with a tortuous course supplying the neck and scalp. Below the OA’s origin, the suboccipital artery of Salmon arose, bifurcating into two branches. Additionally, an extradural posterior inferior cerebellar artery originated from the same segment, entering the skull via the foramen magnum and dividing into medial and lateral trunks. This unique coexistence of vascular variants highlights the need for detailed preoperative vascular outlining to minimize intraoperative risks.
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