Cerebral Angiographic Study of Anatomical Variations of Anterior Cerebral Artery Complex in Bangladeshi Population

Bangladesh Journal of Neuroscience Pub Date : 2016-07-31 DOI:10.3329/bjn.v32i2.57441

Md. Amir Hossain, Sharif Uddin Khan, K. Rahman, S. Islam, K. Patwary, Dewan Md Elyas, Muhammad Abdul Momen Khan, S. Dey, MD. Shahidullah, M. Jahan

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Abstract

Background: Anterior cerebral artery is an important terminal branch of internal carotid artery. It forms the anterior component of circle of Willis along with the anterior communicating artery. It is known for the frequent variations. The knowledge of anatomical variations in anterior cerebral artery is of considerable help to clinicians and interventionists. Method: Morphology and variations of the anterior cerebral arteries and the anterior communicating artery were studied in 90 patients undergone digital subtraction angiography (DSA). Results: Variations were found in 33% (n=30). Variations of the segments in relation with size, course, communications and terminations of the anterior cerebral artery (ACA) were noted. These were divided into different groups like hypoplasia, aplasia, duplication and fenestrations. Hypoplasia/Aplasia of proximal anterior cerebral artery (A1) was 24.5% in right side and 9% in left side. Anterior communicating artery (AComA) was found absent in 9% and fenestration in 9%. Callosomarginal artery was found absent in 2.2% in right side and 4.5% in left side. In right callosomarginal artery 6% had abnormal origin and 3.5% abnormal in left side.Pericallosal artery was present 100% on both sides. Conclusion: Variations of anterior cerebral artery complex anatomy is found common in Bangladeshi population. Bangladesh Journal of Neuroscience 2016; Vol. 32 (2): 56-62

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孟加拉人大脑前动脉复合体解剖变异的脑血管造影研究

背景:大脑前动脉是颈内动脉重要的末梢分支。它与前交通动脉一起构成威利斯环的前部。它以频繁的变化而闻名。了解大脑前动脉的解剖变异对临床医生和介入医生有很大的帮助。方法:对90例行数字减影血管造影(DSA)的患者的大脑前动脉和前交通动脉的形态及变化进行研究。结果:33% (n=30)出现变异。注意到脑前动脉(ACA)的大小、路线、通讯和末端相关的节段变化。将其分为发育不全、发育不全、复制和开窗组。右侧大脑前动脉A1发育不全/发育不全占24.5%，左侧占9%。前交通动脉(AComA) 9%不见，开窗9%不见。胼胝体边缘动脉缺失，右侧2.2%，左侧4.5%。右侧胼胝体缘动脉起源异常占6%，左侧胼胝体缘动脉起源异常占3.5%。两侧胼胝体周围动脉100%存在。结论:大脑前动脉复合体解剖结构变异在孟加拉人群中较为常见。孟加拉国神经科学杂志2016;Vol. 32 (2): 56-62

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Bangladesh Journal of Neuroscience

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