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Home > Archives > Volume 20, No 8 (2022) > Article

DOI: 10.14704/nq.2022.20.8.NQ44925

Study of variations of anterior cerebral artery in human cadavers of South Indian population

Dr.s.umarani, Dr.Arjun. R, Dr Shishir Kumar, Dr.R.sivaraj, Dr Sanjay Kumar Revankar, Reddy Spoorti Channa, Aparna, Chetana YK

Abstract

Background: Neurovascular anatomy of the brain is most complex and the variations encountered are as distinct as a finger print. Anterior Cerebral Artery (ACA) contributes to the major part of anterior circulation of human brain by completing the anterior component of Circle of Willis. Present study was aimed to study variations of anterior cerebral artery in human cadavers. Material and Methods: Present study was multiple institute based, descriptive study, conducted in normalbrain specimens from humancadavers with known age and sex. Theorigin, course, and termination of anterior cerebral arterywere traced. The length of different parts and the associated variations were noted. Results:100 human brains (50 male & 50 female), from age 40-70 years were studied. Common variations noted with anterior cerebral arteries were duplication (4), absence (3), azygous artery (3), median ACA (2), hypoplasticity (2) & anomalous origin (1). We compared various parameters from right & left side, such as mean diameter (2.31 ± 0.34 mm vs 2.36 ± 0.41 mm, p value 0.81), mean length (12 ± 1.8 mm vs 12.9 ± 1.6 mm, p value 0.84), no. of perforators (4.5 ± 0.64 vs 3.5 ± 0.92, p value 0.78) & mean diameter of perforators (0.29 ± 0.11 mm vs 0.32 ± 0.12 mm, p value 0.79). All parameters were comparable & difference was not statistically significant. Conclusion: With an increasing number of cerebrovascular accidents, grave morbidity associated with it & increasing surgical/radiological intervention, present study findings will help surgeon/radiologist during intervention

Keywords

variations, anterior cerebral artery, cadaveric study, cerebrovascular accidents

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