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Peer-reviewedCC BY-NC 4.0JNET Journal of Neuroendovascular Therapy

Mechanical Thrombectomy of a Combined Persistent Primitive Trigeminal Artery and Basilar Artery Occlusion: A Case Report and Literature Review

  • Louis Deprez1
  • Géraldine Dasnoy-Sumell2
  • Rayan Abdellaoui1
  • Olivier Schyns3
  • Martin Moïse1
  1. 1Department of Radiology, University Hospital of Liege, Liege, Belgium
  2. 2Department of Neurology, University Hospital of Liege, Liege, Belgium
  3. 3Department of Anesthesiology, University Hospital of Liege, Liege, Belgium
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Abstract

Objective: Persistent primitive trigeminal artery (PPTA) is a rare anastomosis between the internal carotid artery and the posterior circulation, most commonly with the basilar artery (BA). It has been associated with neurovascular diseases such as cerebral hemorrhage and ischemic stroke. Its occlusion in the case of ischemic stroke presents multiple challenges, both diagnostic and therapeutic, as the modified vascular anatomy may complicate the initial imaging diagnosis and endovascular treatment with mechanical thrombectomy (MT).

Case Presentation: We report here the case of a 64-year-old woman presenting with an altered conscious status and bilateral mydriasis due to an occlusion of a PPTA and the distal part of the BA, which was treated with MT. Complete recanalization was obtained using combined contact aspiration and stent retriever thrombectomy through the PPTA.

Conclusion: PPTA is a rare vascular anatomical variant whose knowledge is important in the setting of stroke. In this setting, MT appears to be a feasible, safe, and effective technique compared to other proximal sites of occlusion.

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Cite

BibTeXRIS
BibTeX
@article{deprez2026mechanical,
  title = {{Mechanical Thrombectomy of a Combined Persistent Primitive Trigeminal Artery and Basilar Artery Occlusion: A Case Report and Literature Review}},
  author = {Louis Deprez and Géraldine Dasnoy-Sumell and Rayan Abdellaoui and Olivier Schyns and Martin Moïse},
  journal = {JNET Journal of Neuroendovascular Therapy},
  year = {2026},
  month = oct,
  doi = {10.5797/jnet.cr.2026-0014},
  url = {https://doi.org/10.5797/jnet.cr.2026-0014},
  note = {CC BY-NC 4.0},
}
RIS
TY  - JOUR
TI  - Mechanical Thrombectomy of a Combined Persistent Primitive Trigeminal Artery and Basilar Artery Occlusion: A Case Report and Literature Review
AU  - Louis Deprez
AU  - Géraldine Dasnoy-Sumell
AU  - Rayan Abdellaoui
AU  - Olivier Schyns
AU  - Martin Moïse
PY  - 2026
DA  - 2026/10/31
JO  - JNET Journal of Neuroendovascular Therapy
DO  - 10.5797/jnet.cr.2026-0014
UR  - https://doi.org/10.5797/jnet.cr.2026-0014
AB  - Objective: Persistent primitive trigeminal artery (PPTA) is a rare anastomosis between the internal carotid artery and the posterior circulation, most commonly with the basilar artery (BA). It has been associated with neurovascular diseases such as cerebral hemorrhage and ischemic stroke. Its occlusion in the case of ischemic stroke presents multiple challenges, both diagnostic and therapeutic, as the modified vascular anatomy may complicate the initial imaging diagnosis and endovascular treatment with mechanical thrombectomy (MT).  Case Presentation: We report here the case of a 64-year-old woman presenting with an altered conscious status and bilateral mydriasis due to an occlusion of a PPTA and the distal part of the BA, which was treated with MT. Complete recanalization was obtained using combined contact aspiration and stent retriever thrombectomy through the PPTA.  Conclusion: PPTA is a rare vascular anatomical variant whose knowledge is important in the setting of stroke. In this setting, MT appears to be a feasible, safe, and effective technique compared to other proximal sites of occlusion.
SN  - 1882-4072
SN  - 2186-2494
ER  -