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The iliac crest in forensic age estimation: evaluation of three methods in pelvis X-rays

Bartolini, Viola, Pinchi, Vilma, Gualco, Barbara, Vanin, Stefano, Chiaracane, Giusto, D’Elia, Giovanni, Norelli, Gian-Aristide and Focardi, Martina (2017) The iliac crest in forensic age estimation: evaluation of three methods in pelvis X-rays. International Journal of Legal Medicine. ISSN 0937-9827

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Abstract

Age assessment in children and young adults is a relevant forensic issue. It is requested not only in evaluating criminal responsibility in youths without proper identification documents, often in relation to age thresholds, but also for release of a residency permit, and asylum seekers of minors. The analysis of the Risser sign and the iliac crest ossification process has been proposed as a useful tool for forensic age estimation. We evaluated the applicability of three different age estimation methods on a sample of 497 pelvic radiographs of Italian individuals between 10 and 25 years of age. Each method showed high reliability for both reproducibility and repeatability. The staging technique inspired by Kreitner and Kellinghaus methods (KK-MS) is easier than the Risser method in applicability, as it is not affected by the variations of ossification. We observed that all subjects who attained stage 3c of KK-MS and 5 of Risser Fr were >14 years, suggesting the benefits of these methods for that age threshold. The applicability of the area measurement method, inspired by Cameriere’s approach, ranged between 12 and 20 years, but the statistical analysis showed only a moderate correlation with age. In order to evaluate the possible use of this approach it is therefore necessary to clarify and exclude external factors influencing the parameter. In conclusion, the iliac crest ossification is of interest in age estimation for forensic purposes. The evaluation of the pelvis X-ray, in addition to the other common dental and skeletal methods, could become a useful supplementary tool in age estimation for the 14 year threshold in order to fulfill forensic-level requirements.

Item Type: Article
Uncontrolled Keywords: Forensic age estimation, Iliac crest ossification, Risser sign, Scheletric age
Subjects: R Medicine > RA Public aspects of medicine > RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine
Schools: School of Applied Sciences
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Depositing User: Sally Hughes
Date Deposited: 21 Jul 2017 12:49
Last Modified: 08 Nov 2017 14:40
URI: http://eprints.hud.ac.uk/id/eprint/32377

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