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Background <p>A computed tomography (CT) scan of the medial clavicular epiphysis plays an important role in age estimation. Our study aimed to validate thin-section CT scan images of the medial clavicular epiphysis according to the Schmeling and Kellinghaus methods in a Tunisian population sample and assess its reproducibility.</p> Results <p>We examined 196 thoracic CT scans of Tunisian individuals aged under 40 years (126 males, 70 females), carried out in the Radiology Department of Ibn El Jazzar University Hospital in Kairouan, Tunisia, from September 1st, 2017, to April 30th, 2019, with a slice thickness of 0.6&#xa0;mm. The mean age was 22.2 ± 7.36 SD, with extremes ranging from 3 to 40 years. Most of the patients were male (64.3% vs. 35.7%) with no significant age difference between the two groups (<i>p</i> = 0.975). Stage 1 excludes the age of majority of male subjects. The occurrence of stage 3c indicates an age at or above the majority in both sexes. A statistically significant positive correlation was found between age and determined stage based on Spearman’s rank correlation values (total group: rho = 0.854, <i>p</i> &lt; 0.001). No significant age difference was noticed between the two clavicles or between the sexes. Inter-observer and intra-observer agreements were good.</p> Conclusions <p>Through our study, we have established a frame of reference, and we can conclude that the CT study of the development of the medial clavicular epiphysis represents a reliable method for age estimation in the Tunisian population.</p>

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Forensic age estimation using computed tomography of the medial clavicular epiphysis in a Tunisian population sample

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  • 发表日期：

    2026年1月2日

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  • Khaled Annabi,
  • Sarra Ben Abderrahim,
  • Kaouther Jammeli,
  • Amène Aissa,
  • Mohamed Ben Dhiab,
  • Souheil Mlayeh

摘要

Background

A computed tomography (CT) scan of the medial clavicular epiphysis plays an important role in age estimation. Our study aimed to validate thin-section CT scan images of the medial clavicular epiphysis according to the Schmeling and Kellinghaus methods in a Tunisian population sample and assess its reproducibility.

Results

We examined 196 thoracic CT scans of Tunisian individuals aged under 40 years (126 males, 70 females), carried out in the Radiology Department of Ibn El Jazzar University Hospital in Kairouan, Tunisia, from September 1st, 2017, to April 30th, 2019, with a slice thickness of 0.6 mm. The mean age was 22.2 ± 7.36 SD, with extremes ranging from 3 to 40 years. Most of the patients were male (64.3% vs. 35.7%) with no significant age difference between the two groups (p = 0.975). Stage 1 excludes the age of majority of male subjects. The occurrence of stage 3c indicates an age at or above the majority in both sexes. A statistically significant positive correlation was found between age and determined stage based on Spearman’s rank correlation values (total group: rho = 0.854, p < 0.001). No significant age difference was noticed between the two clavicles or between the sexes. Inter-observer and intra-observer agreements were good.

Conclusions

Through our study, we have established a frame of reference, and we can conclude that the CT study of the development of the medial clavicular epiphysis represents a reliable method for age estimation in the Tunisian population.