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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
Published on: January 29, 2018
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Rib histomorphometry: A reliability and validation study with a critical review of histological techniques for
Julieta G García-Donas1, Andrea Bonicelli2, Ashely Rose Scholl3
1Edinburgh Unit for Forensic Anthropology, School of History Classics and Archaeology, University of Edinburgh, Edinburgh, UK; Center for Anatomy and Human Identification, School of Science and Engineering, University of Dundee, Scotland, UK.
Legal Medicine (Tokyo, Japan)
|December 31, 2020
Summary
Histological age estimation from rib sections shows significant correlation with age but varies in accuracy across different formulas. Validation is crucial for forensic experts using these methods in legal settings.
Area of Science:
- Forensic Anthropology
- Bioarchaeology
- Histology
Background:
- Fragmented human remains pose identification challenges for forensic experts.
- Standard forensic methods are often insufficient for fragmented remains.
- Histological age estimation techniques lack sufficient validation studies.
Purpose of the Study:
- To validate existing histological age estimation techniques using Mediterranean samples.
- To assess accuracy and bias of four widely used age estimation formulas.
- To explore inter-population variation in bone remodeling dynamics.
Main Methods:
- Assessed histological variables from rib thin sections of Cretan and Greek-Cypriot samples.
- Evaluated intra- and inter-observer errors using TEM analysis and Intra-class Correlation Coefficient.
- Applied histomorphometric data to four age estimation formulas and calculated inaccuracy and bias.
Main Results:
- Histological parameters demonstrated acceptable intra- and inter-observer errors.
- All assessed variables showed a statistically significant correlation with age (P < 0.01).
- Three techniques systematically underestimated age, with increased inaccuracy in older individuals; one formula overestimated young individuals but was more accurate for older ones.
Conclusions:
- Histological age estimation techniques require rigorous validation for forensic applications.
- Inter-population variations in bone remodeling dynamics influence age estimation accuracy.
- Methodological issues can significantly impact the performance of histological age estimation techniques.
