Rete Middle Cerebral Artery Aneurysm: A Case Report and Systematic Review

Asian journal of neurosurgery Pub Date : 2023-11-07 DOI:10.1055/s-0043-1775732

Joaquim Francisco Cavalcante-Neto, Gabriel de Almeida Monteiro, Ariane Butke Brandt, Giovanna Esmeraldo Paz Soares, Davi Jorge Fontoura Solla, Paulo Roberto Lacerda Leal, Gerardo Cristino-Filho, Keven Ferreira da Ponte

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Abstract

Abstract Background Middle cerebral artery (MCA) anomalies are a rare finding and may be associated with vascular changes, such as intracranial aneurysms. Among them, the rete MCA aneurysm is very rare, with only 22 cases reported to date. Case Description A 50-year-old woman presented with subarachnoid, intraventricular, and intracerebral hemorrhage secondary to a ruptured aneurysm of rete MCA from an anomalous collateral artery of the anterior cerebral artery, treated successfully by microsurgical clipping. She presented a good recovery after a 2-year follow-up. Conclusion A systematic review of rete MCA aneurysms is presented, comparing aneurysms originating from twig-like MCA, with 16 reports, and twig-like networks of an anomalous collateral artery, with 6 reports including ours. Several factors influence the treatment decision-making, though microsurgical clipping is the main procedure. A wider use of coiling is requested for a better comparison of the treatment approaches.

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脑正中动脉瘤1例报告及系统回顾

背景:大脑中动脉(MCA)异常是一种罕见的发现，可能与血管改变有关，如颅内动脉瘤。其中，网状MCA动脉瘤非常罕见，迄今仅有22例报道。病例描述一名50岁女性，因大脑前动脉异常侧支动脉瘤破裂而继发蛛网膜下腔、脑室内出血，经显微外科夹持成功治疗。经过2年的随访，患者恢复良好。结论系统回顾了动脉主干动脉瘤，比较了16例源自MCA小枝状动脉瘤和包括我们在内的6例源自异常侧支动脉的小枝状网络。几个因素影响治疗决策，虽然显微手术夹是主要的程序。为了更好地比较治疗方法，需要更广泛地使用卷取。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Asian journal of neurosurgery

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