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Sharma, Verma, Adithan, and Khobragade: Morphology and variations of middle cerebral artery: systematic review and meta-analysis
Erratum

Anat Cell Biol 2025;58(3):490-491.

Published online: 30 September 2025

DOI: https://doi.org/10.5115/acb.24.005E

Morphology and variations of middle cerebral artery: systematic review and meta-analysis

Urvi Sharma1, Suman Verma2, Subathra Adithan3, Ashish Khobragade4

1Department of Anatomy, All India Institute of Medical Science, Rishikesh, India

2Department of Anatomy, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India

3Department of Radiodiagnosis, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India

4Department of Community and Family Medicine, All India Institute of Medical Science, Raipur, India

Copyright © 2025. Anatomy & Cell Biology

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
In this article, the unit “cm” was incorrectly used instead of the correct unit “mm” in the Abstract, Review, and Conclusion sections. The corrected expressions are as follows.
Before correction:
1. Abstract (p. 481)
Thirteen research were combined to determine the proportion of MCA length and pooled proportion was 16.53 cm (15.33 to 17.72 cm); I2=98%; P-value<0.01. Nine studies were combined to determine proportion of MCA diameter and pooled proportion was 2.85 cm (2.52 to 3.17 cm); I2=100%; P-value<0.05. M1 segment mean length is more on left side as compared to right side. Mean length in males (16.57±1.40 cm) is more than females (15.9±1.32 cm). Mean diameter of M1 segment is similar on both sides. Mean diameter in males (3.20±0.09 cm) is higher than females (3.14±0.18 cm).
2. Review (p. 487)
Early bifurcation is MCA branching at 0.5 cm or less from origin. (Fig. 5B) [20]. Jain [73] reported branching at 1.6 cm. According to Dimmick and Faulder [63], it occurred at 1 cm.
3. Review (p. 490)
Pooled mean length was 16.53 cm (95% CI, 15.33–17.72) with Higgins and Thompson I2 value of 98%. Pooled mean diameter was 2.85 cm (95% CI, 2.52–3.17) I2value of 100%.
4. Conclusion (p. 493)
Mean M1 segment length and diameter is 16.53 cm and 2.85 cm, respectively.
After correction:
1. Abstract (p. 481)
Thirteen research were combined to determine the proportion of MCA length and pooled proportion was 16.53 mm (15.33 to 17.72 mm); I2=98%; P-value<0.01. Nine studies were combined to determine proportion of MCA diameter and pooled proportion was 2.85 mm (2.52 to 3.17 mm); I2=100%; P-value<0.05. M1 segment mean length is more on left side as compared to right side. Mean length in males (16.57±1.40 mm) is more than females (15.9±1.32 mm). Mean diameter of M1 segment is similar on both sides. Mean diameter in males (3.20±0.09 mm) is higher than females (3.14±0.18 mm).
2. Review (p. 487)
Early bifurcation is MCA branching at 5 mm or less from origin. (Fig. 5B) [20]. Jain [73] reported branching at 16 mm. According to Dimmick and Faulder [63], it occurred at 10 mm.
3. Review (p. 490)
Pooled mean length was 16.53 mm (95% CI, 15.33–17.72) with Higgins and Thompson I2 value of 98%. Pooled mean diameter was 2.85 mm (95% CI, 2.52–3.17) I2 value of 100%.
4. Conclusion (p. 493)
Mean M1 segment length and diameter is 16.53 mm and 2.85 mm, respectively.
The authors apologize for any inconvenience this mistake may have caused.
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