Morphometric Analysis of Foramen Magnum for Sex Determination in South Indian Population

Radhakrishna, Shetty; Shivarama, C H; Ramakrishna, A; Bhagya, B.

doi:10.1055/s-0040-1703549

Cited by 14 publications

(3 citation statements)

References 4 publications

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“…Conversely, multiple investigations in India[ 24 , 28 , 31 , 32 ] have shown a similar trend where, generally, men tend to have larger measurements in both length and width of the foramen magnum and condyles compared to women. Although variability in the data is observed, this persistent discrepancy between sexes is a notable finding.…”

Section: Discussionmentioning

confidence: 88%

“…[ 7 ] For instance, analyses in Europe have highlighted variations between genders in foramen magnum measurements,[ 5 , 8 , 9 , 11 , 16 , 23 , 25 , 26 , 38 ] while in Asia, distinct differences between men and women in various cranial measurements have been observed. [ 14 , 18 , 24 , 28 , 31 , 32 , 34 ] These anatomical discrepancies can influence surgical techniques, emphasizing the relevance of an approach tailored to the region and/or geographical area to enhance the outcomes of craniotomies.…”

Section: Discussionmentioning

confidence: 99%

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Morphometric analysis of the foramen magnum in the Peruvian population

Yataco-Wilcas,

Salazar-Ascurra,

Diaz-Llanes

et al. 2024

Surgical Neurology International

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Background: The foramen magnum, as an anatomical structure, holds clinical and functional significance due to its strategic location in the craniovertebral transition. A detailed understanding of its dimensions and shapes is crucial for better comprehension of related pathologies and for enhancing neurosurgical techniques within a specific population. The objective is to measure precise morphometric reference points of the foramen magnum in individuals of Peruvian ancestry, aiming to establish specific anatomical patterns and potential variations within this population. Methods: The study was conducted on 17 unidentified skulls donated to the NeuroZone3D Research Center, utilizing an inelastic and soft measuring tape as the tool. Our report considered direct anthropometric measurement techniques with data collection performed by a single researcher. Results: Distinct morphometric characteristics were observed in the foramen magnum of the Peruvian population compared to other studies. The average measurements of the skull base revealed a foramen magnum with a mean length of 33.80 mm and a width of 28.70 mm, along with right condyles measuring 25 mm in length and 14.10 mm in width, and left condyles measuring 23.80 mm in length and 13.90 mm in width. Conclusion: The morphometric analysis of the foramen magnum in the Peruvian population provides valuable insights into specific anatomical features within this ethnic group. These findings could have significant implications across various medical and surgical disciplines, from interpreting diagnostic images to designing more precise therapeutic interventions tailored to this population.

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Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 99%

Morphometric analysis of the foramen magnum in the Peruvian population

Yataco-Wilcas,

Salazar-Ascurra,

Diaz-Llanes

et al. 2024

Surgical Neurology International

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“…Several previous studies conducted on different populations have concluded that males have larger foramen magnum lengths and widths than females which is compatible with the findings of the current study. [2,4,9,10,13,[15][16][17] A Brazilian study had also shown that width specifically is significantly larger in males. [18] A study on Eastern European individuals and another on the Indian population which involved the measurement of length, width, and area of foramen magnum concluded that all three parameters were significantly higher in males.…”

Section: Discussionmentioning

confidence: 99%

Sex Determination by Evaluation of Foramen Magnum on Computer Tomography Scanning Among Sri Lankan Population

Sanjaya¹,

Vadysinghe²,

Sivasubramanium³

et al. 2023

Medico-Legal J SL

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Introduction: Sex determination using human skeletal remains is a challenging task for forensic practitioners and foramen magnum is used at lesser extents for this purpose. The aim of this study was to determine the sex by evaluating the parameters of the foramen magnum in a Sri Lankan population using computed tomography (CT).Methods: CT images of 300 individuals aged between 20 to 60 years, comprising 146 males (49%) and 154 females (51%), obtained from the Radiology Department of National Hospital, Kandy, Sri Lanka were retrieved for the study. Four parameters of the foramen magnum, namely length, width, circumference, and area, were measured/calculated using the RadiAnt Dicom Viewer 2022.1 software and analyzed using SPSS 26 software.Results: The analyses indicated that all four measurements were significantly higher in males than in females. All the parameters showed positive correlations with each other. Discriminant function analysis indicated that length was the most dimorphic single parameter for males, with an accuracy of 76%, and for females, the length also provided an accuracy of 71%.Conclusion: Results of this study show that the parameters of the foramen magnum, mainly the length, can be used for sex determination. By combining other parameters of sexing human bones, more accurate results for sex determination can be obtained.

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