• World Neurosurg · May 2024

    Case Reports

    Pediatric donut-shaped basilar artery aneurysm.

    • Zeferino Demartini, Renato Fedatto Beraldo, and Bernardo C A Teixeira.
    • Department of Neurosurgery, Complexo Hospital Pequeno Principe, Curitiba, Paraná, Brazil; Department of Neurosurgery, Complexo Hospital de Clínicas, Universidade Federal do Parana, Curitiba, Paraná, Brazil. Electronic address: demartiniz@gmail.com.
    • World Neurosurg. 2024 May 1; 185: 221223221-223.

    AbstractIntracranial aneurysms are uncommon in the pediatric population. We present a case of an 11-year-old boy presenting with subarachnoid hemorrhage caused by a "donut-shaped" basilar tip aneurysm. It occurs when the flow geometry produces a circumferential laminar flow into the aneurysmal sac, resulting in a central thrombosis. Optimal management of this type of aneurysm is not already clear, and further studies are needed to clarify the best treatment approach, especially in the pediatric population.Copyright © 2024 Elsevier Inc. All rights reserved.

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