Extracranial vertebral artery dissecting aneurysm presenting as vertebrobasilar stroke in a young adult: Case report of flow-diverter stenting
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Fecha
2025
Autores
Coronel, Maria Angelica
Luque-Llano, Melissa
Núñez-Bravo, Narledis
Rebolledo, Carlos
Barceló-Martínez, Ernesto
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MDPI
Ediciones Universidad Simón Bolívar
Facultad de Ciencias de la Salud
Ediciones Universidad Simón Bolívar
Facultad de Ciencias de la Salud
Resumen
Background: Extracranial vertebral artery aneurysms (EVAAs) are exceptionally rare
vascular lesions and an uncommon cause of posterior circulation stroke. Their diagnosis is
often delayed due to nonspecific symptoms, yet prompt recognition is essential to guide
management. Objective: This study aimed to report a rare case of an extracranial vertebral
artery dissecting aneurysm presenting as a posterior circulation stroke in a young adult,
successfully managed with flow-diverter stenting. Clinical Case: A 33-year-old woman
presented with sudden-onset dysarthria, vertigo, nausea, and vomiting. Brain magnetic
resonance imaging revealed infarcts in the left occipital lobe, cerebellar peduncle, and
both cerebellar hemispheres. Computed tomography angiography (CTA) demonstrated a
fusiform aneurysm in the V2 segment of the left vertebral artery, and digital subtraction
angiography (DSA) confirmed a dissecting aneurysm. The patient was successfully treated
with a flow-diverting stent and remained stable at 6 months’ follow-up with mRS 1. Results:
EVAA are uncommon but can manifest as posterior circulation ischemic events in young
patients. Endovascular treatment with flow-diverting stents has been reported as a feasible
option in selected cases, although evidence remains limited to case reports and small series.
Conclusions: This case underscores the importance of considering rare yet potentially
treatable etiologies of vertebrobasilar stroke in young patients and highlights the value of a
multidisciplinary approach to management.
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Angelica-Coronel, M.; Luque-Llano, M.; Nuñez-Bravo, N.; Rebolledo, C.; Barceló-Martínez, E. Extracranial Vertebral Artery Dissecting Aneurysm Presenting as Vertebrobasilar Stroke in a Young Adult: Case Report of Flow-Diverter Stenting. Neurol. Int. 2025, 17, 187. https://doi.org/10.3390/neurolint17110187
