Estimation of Sex by 3D CT Measurements of the Foramen Magnum

Dilek Gökharman · Mahmut Kaçar · Işıl Tunçbilek · Uğur Koşar

122 citations0/0 files storedJournal of Forensic Sciences

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Forensic Anthropology and Bioarchaeology Studies Dental Radiography and Imaging Morphological variations and asymmetry

Abstract

The purpose of this prospective study is to investigate the value and accuracy of the measurements of the foramen magnum (FM) by using three-dimensional computed tomography (3DCT). Cases were randomly selected among 100 patients (48 males, 52 females) who had temporal CT in the Radiology Department. Seven measurements of the foramen magnum on 3D images, modified from the nine lines previously defined by Giles and Elliot were made. Using Fisher's linear discriminant functions test, the length and width of right condyle and width of FM diameters were found to be statistically different in each sex (p < 0.001) with 81% accuracy. To our best knowledge, this is the first report studying 3DCT measurements of FM, resulting with a sex determination accuracy rate of 81%. CT/3DCT can be reliably used in further investigations to provide basis for anthropometric and forensic issues.

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1963The human skeleton in forensic medicine 1955The human skeleton in forensic medicine. I.1963Sex determination by discriminant function analysis of crania

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2008Disaster Victim Identification: New Applications for Postmortem Computed Tomography 2008Sex determination from the occipital condyle: Discriminant function analysis in an Eighteenth and Nineteenth Century British sample 2009Variability of Human Foramen Magnum Size 2012Concordance of traditional osteometric and volume-rendered MSCT interlandmark cranial measurements 2010Sex determination from measurements of the sternum and fourth rib using multislice computed tomography of the chest 2012Sex estimation from foramen magnum dimensions in an Indian population 2009Sexual Dimorphism in the Foramen Magnum Dimensions 2017Sex estimation using computed tomography of the mandible

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