Utility of Micro-CT for Dating Post-cranial Fractures of Known Post-traumatic Ages Through 3D Measurements of the Trabecular Inner Morphology

Overview

Journal Sci Rep

Specialty Science

Date 2022 Jun 22

PMID 35732857

Authors

Alessia Viero

Lucie Biehler-Gomez

Carmelo Messina

Annalisa Cappella

Konstantinos Giannoukos

Guido Viel

Franco Tagliaro

Cristina Cattaneo

Affiliations

Soon will be listed here.

Abstract

Fracture dating is an issue at the forefront of forensic sciences. While dating fracture is crucial to understanding and verifying the chronology of events in cases of abuse and violent death, its application is the subject of considerable discussion in the scientific community, filled with limitations and difficulties. Current methods for fracture dating are mainly based on a qualitative assessment through macroscopy, microscopy, and imaging and subject to variations depending on the experience of the observer. In this paper, we investigated the potential of quantifiable micro-CT analysis for fracture dating. Five histomorphometric parameters commonly used for the study of the 3D bone trabecular microarchitecture with micro-CT were calculated based on nine fractures of known post-traumatic ages, including the degree of anisotropy, connectivity density, bone volume fraction, trabecular thickness, and trabecular separation. As a result, trends in the evolution of the microarchitecture of the bone relative to age of the callus could be identified, in particular concerning anisotropy, trabecular separation and connectivity density, consistent with the healing bone process. The findings obtained in this pilot study encourage further research in quantifiable parameters of the bone microarchitecture as they could represent useful features for the construction of objective models for fracture dating.

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