The Use of CT Scans in Estimating Age at Death by Examining the Extent of Ectocranial Suture Closure

Kristen Leigh Boyd, Chiara Villa, Niels Lynnerup

16 Citations (Scopus)

Abstract

We examined the utility of CT scans in the evaluation of degree of ectocranial suture closure. Five cranial points (left and right midcoronal positions, left and right midlambdoidal positions, and the lambda) were evaluated in 231 CT scans using a three-point scoring system (open, partial closed, and closed). The slice increment and thickness varied between three groups of the scans. The results showed a good correlation between degree of suture closure and increasing age in each group. Young individuals (<40 years) and old individuals (>60 years) could be clearly distinguished from the middle-aged individuals. ANOVA test revealed no difference between two groups of scans and between left and right sides (p > 0.05). Interobserver agreement was good, especially considering the score by sides. The results of this study create the base for developing a robust and simple method to estimate the age at death using CT scans.
Original languageEnglish
JournalJournal of Forensic Sciences
Volume60
Issue number2
Pages (from-to)363-369
Number of pages7
ISSN0022-1198
DOIs
Publication statusPublished - 1 Mar 2015

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