Aneurysms Associated with Hyperplastic Anterior Choroidal Arteries: Three Cases with Literature Review.

Journal of neuroendovascular therapy Pub Date : 2025-01-01 Epub Date: 2025-03-15 DOI:10.5797/jnet.cr.2024-0097

Takahiro Uno, Katsunori Asai, Tomoki Kidani, Yoshitsugu Nishijima, Takaaki Matsumoto, Masayoshi Kida, Mao Kanechi, Yosuke Fujimi, Koji Kobayashi, Hideki Kuroda, Shuhei Kawabata, Nobuyuki Izutsu, Yonehiro Kanemura, Toshiyuki Fujinaka

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Abstract

Objective: A hyperplastic anterior choroidal artery (AchA) is a rare anomalous vessel that perfuses the posteromedial aspects of the cerebrum in place of the posterior cerebral artery. We describe 3 cases of hyperplastic AchA found among 61 patients with AchA aneurysms who underwent surgical or endovascular treatment at our institution.

Case presentation: All 3 cases were diagnosed as hyperplastic AchA type 2 according to the Takahashi classification, indicating an anomalous branching temporal artery perfusing the medial temporal lobe. We performed coil embolization for 2 cases and surgical clipping for the third. One embolization case experienced recurrence after 3 years and underwent clipping. All procedures were conducted without complications.

Conclusion: Hyperplastic AchA can be encountered during aneurysm treatment. These cases emphasize the importance of evaluating the vascular anatomy to determine the optimal treatment strategy.

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前脉络膜动脉增生伴动脉瘤3例并文献复习。

目的：增生性脉络膜前动脉（AchA）是一种罕见的异常血管，它灌注到大脑后内侧，取代了大脑后动脉。我们描述了在本院接受手术或血管内治疗的61例AchA动脉瘤患者中发现的3例增生性AchA。病例表现：3例均根据Takahashi分级诊断为增长性AchA 2型，提示颞叶内侧有异常分支的颞动脉灌注。2例行线圈栓塞术，3例行手术夹持术。1例栓塞3年后复发，行夹持术。所有手术均无并发症。结论：动脉瘤治疗过程中可出现增生性AchA。这些病例强调了评估血管解剖以确定最佳治疗策略的重要性。

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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Journal of neuroendovascular therapy

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