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树枝状大脑中动脉：颅内出血的罕见原因。

Twig-like MCA: A rare cause of intracranial bleeding.

作者信息

Chetoui Ayoub, Elkhamlichi Amina, Jiddane Mohamed, Fikri Meriem

机构信息

Neuroradiology department, Ibn Sina University Hospital, Rabat, Morroco.

出版信息

Radiol Case Rep. 2024 Aug 16;19(11):4935-4939. doi: 10.1016/j.radcr.2024.07.097. eCollection 2024 Nov.

DOI:10.1016/j.radcr.2024.07.097
PMID:39247482
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11378105/
Abstract

Twig-like or unfused middle cerebral artery (MCA) is a rare congenital vascular anomaly defined by the absence of the M1 segment. It can be found incidentally or can be revealed by cerebral ischemia or hemorrhage. Although rare, neuroradiologists should be familiar with such findings in order to differentiate them from differential diagnoses such as Moyamoya disease and steno-occlusive disorders of the MCA. We report a case of a twig-like MCA revealed by intracranial bleeding in an 84-year-old woman.

摘要

树枝状或未融合的大脑中动脉（MCA）是一种罕见的先天性血管异常，其定义为M1段缺失。它可偶然发现，也可由脑缺血或出血揭示。尽管罕见，但神经放射科医生应熟悉此类表现，以便将其与诸如烟雾病和MCA狭窄闭塞性疾病等鉴别诊断区分开来。我们报告一例84岁女性因颅内出血而发现的树枝状MCA病例。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1537/11378105/ed7a15288110/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1537/11378105/824630b26a12/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1537/11378105/2ec4456244c8/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1537/11378105/ed7a15288110/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1537/11378105/824630b26a12/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1537/11378105/2ec4456244c8/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1537/11378105/ed7a15288110/gr3.jpg

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本文引用的文献

1
Case report: Endovascular coil embolization of an aneurysm at the origin of the accessory middle cerebral artery from the A1 segment as the collateral artery to twigs.病例报告：作为向小分支供血的侧支动脉，对发自大脑中动脉A1段的副大脑中动脉起始处的动脉瘤进行血管内弹簧圈栓塞术。
Front Neurol. 2023 Apr 20;14:1078173. doi: 10.3389/fneur.2023.1078173. eCollection 2023.
2
Ruptured aneurysm associated with a twig-like middle cerebral artery: An illustrative case report.与树枝状大脑中动脉相关的破裂动脉瘤：一例病例报告
Surg Neurol Int. 2022 Oct 7;13:456. doi: 10.25259/SNI_678_2022. eCollection 2022.
3
Twig-like middle cerebral artery: Embryological persistence or secondary consequences?
树枝状大脑中动脉：胚胎学上的持续存在还是继发性后果？
Interv Neuroradiol. 2021 Aug;27(4):584-587. doi: 10.1177/15910199211024077. Epub 2021 Jun 6.
4
Twig-like middle cerebral arteries: Clinical and radiological findings.细枝状大脑中动脉：临床和影像学表现。
Clin Imaging. 2021 May;73:31-37. doi: 10.1016/j.clinimag.2020.11.049. Epub 2020 Dec 3.
5
Hemorrhagic events associated with unfused or twig-like configuration of the Middle cerebral artery: A rare vascular anomaly with clinical relevance.大脑中动脉未融合或树枝状形态与出血事件相关：一种具有临床相关性的罕见血管畸形。
Interv Neuroradiol. 2021 Apr;27(2):285-290. doi: 10.1177/1591019920970430. Epub 2020 Oct 29.
6
Aplastic or Twig-Like Middle Cerebral Artery Presenting with Intracerebral Hemorrhage During Pregnancy: Report of Two Cases.孕期出现脑内出血的再生障碍型或细枝样大脑中动脉：2例报告
World Neurosurg X. 2019 Feb 5;2:100018. doi: 10.1016/j.wnsx.2019.100018. eCollection 2019 Apr.
7
Unfused or twig-like middle cerebral artery.未融合或树枝状大脑中动脉。
Eur J Radiol. 2015 Oct;84(10):2013-8. doi: 10.1016/j.ejrad.2015.06.012. Epub 2015 Jun 18.
8
Clinical and radiological features of patients with aplastic or twiglike middle cerebral arteries.具有无功能或树枝状大脑中动脉的患者的临床和放射学特征。
Neurosurgery. 2012 Jun;70(6):1472-80; discussion 1480. doi: 10.1227/NEU.0b013e318246a510.
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Normal variants of the cerebral circulation at multidetector CT angiography.多排探测器CT血管造影术显示的脑循环正常变异
Radiographics. 2009 Jul-Aug;29(4):1027-43. doi: 10.1148/rg.294085730.
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Aneurysms in twig-like middle cerebral artery.树枝状大脑中动脉动脉瘤
Cerebrovasc Dis. 2005;20(1):1-5. doi: 10.1159/000086119. Epub 2005 May 30.