Abstract
Background
Persistent trigeminal artery or persistent primitive trigeminal artery (PTA) is the most common carotid-basilar anastomosis in both cadaveric and live patient studies, followed by persistent hypoglossal and persistent otic arteries. Approximately 0.2% of all angiographies reported this finding.
Case report: We present the case of a 21-year-old male who arrived at the emergency department with tonic‒clonic seizures. After performing diagnostic contrast magnetic resonance imaging and digital subtraction angiography, the patient was diagnosed with a right occipital arteriovenous malformations (AVM) fed by the right calcarine artery associated with an ipsilateral PTA. After considering surgical and endovascular treatment options, the patient was selected for watchful waiting. We included a literature review of the PTA, the results of a PubMed search regarding the combined presence of these findings, and a brief discussion providing insight into the implications for treatment.
Conclusions
Although several studies have linked PTA to different vascular pathologies, such as cerebral aneurysms, the association between PTA and AVMs remains scarce. This case, along with the literature review, shows that further research is needed to characterize the relationship between these findings.
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Clinical data related to the case are available upon request.
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Rodriguez-Hernandez, L.A., Martinez, P., Baracaldo, I. et al. Persistent trigeminal artery associated with an occipital arteriovenous malformation: a case report and literature review. Surg Radiol Anat 44, 1271–1275 (2022). https://doi.org/10.1007/s00276-022-03003-9
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DOI: https://doi.org/10.1007/s00276-022-03003-9