Quantitative morphometric examination of the human pubic symphyseal surface of Australian individuals with age using computed tomography

Gregory, Laura S., Lottering, Nicolene, Meredith, Matthew, & MacGregor, Donna M. (2013) Quantitative morphometric examination of the human pubic symphyseal surface of Australian individuals with age using computed tomography. Clinical Anatomy, 26(5), pp. 646-647.

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Abstract

Current forensic practice in age estimation relies on the application of morphological standards as a means to characterize complex threedimensional skeletal surfaces. Research in our laboratory has demonstrated that the application of the morphologically based Suchey-Brooks method to a contemporary Queensland, Australian population demonstrated significant inaccuracy in age-estimation. Consequently, this study presents preliminary results to quantify age-related skeletal changes of the pubic symphysis in Queensland individuals using novel geometric and micro-architectural protocols that have the potential of improving age estimation in the forensic context. Computed tomography scans of the right and left pubis were obtained from Caucasian individuals aged 15–70 years (n=195) from the Queensland Health Forensic and Scientific Services. Morphometric variables including surface area, circumference, maximum height and width of the symphyseal surface, and micro-architectural assessment of cortical and trabecular bone structure were conducted in Rapidform XOS and Osteomeasure, respectively. Morphometric analysis demonstrated increases in maximum height and width of the surface with age independent of gender, with most significant (P<0.05) changes between the 25–34 and 55–64 year subsets. Sexual dimorphism and bilateral asymmetry were prominent features in the Queensland population. Micro-architectural analysis demonstrated degradation of cortical composition with age, with differential bone resorption between the medial, ventral and dorsal aspects of the symphysis. The ability to quantitatively model age-related changes to the pubic symphysis provides potential for future methodological refinement, where rigor and robust geometric assessment of the surface may remove the subjectivity associated with aging the pubic symphysis.

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ID Code: 62079
Item Type: Journal Article
Refereed: Yes
Additional Information: Abstracts of the 2012 meeting of the Australian and New Zealand association of clinical anatomists
Keywords: Pubic Symphysis, Morphometrics, Age Estimation, Computed Tomography, Australia
DOI: 10.1002/ca.22235
ISSN: 1098-2353
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OTHER MEDICAL AND HEALTH SCIENCES (119900) > Medical and Health Sciences not elsewhere classified (119999)
Divisions: Current > Schools > School of Biomedical Sciences
Current > QUT Faculties and Divisions > Faculty of Health
Copyright Owner: Copyright 2013 Wiley Periodicals, Inc.
Deposited On: 26 Aug 2013 23:20
Last Modified: 28 Aug 2013 01:40

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