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The third dimension in palaeopathology: How can three-dimensional imaging by computed tomography bring an added value to retrospective diagnosis?

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Coqueugniot,  Hélène       
Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;

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Citation

Coqueugniot, H., Dutailly, B., & Dutour, O. (2020). The third dimension in palaeopathology: How can three-dimensional imaging by computed tomography bring an added value to retrospective diagnosis? International Journal of Osteoarchaeology, 30(4), 538-550. doi:10.1002/oa.2881.


Cite as: https://hdl.handle.net/21.11116/0000-0006-913C-3
Abstract
Abstract Three-dimensional (3D) imaging is now extensively used for studying ancient human and animal bones. This method has been consensually adopted by palaeoanthropologists, but its interest in palaeopathology has been challenged. The aim of this paper is to illustrate the contribution of 3D reconstructions to retrospective diagnosis in palaeopathology. We selected six palaeopathological cases among our research corpus representing three nosographic categories (trauma, infection and neoplasia) from various periods ranging from the Middle Palaeolithic to the beginning of the Modern Era. For each case, we compared the diagnostic value of plain X-ray, computed tomography (CT) slices, and 3D reconstructions. The latter were performed using TIVMI program, a free software for research use developed by one of us. Reconstructions are obtained by surface extraction that follows a segmentation process. We showed that this 3D method allowed reconstructing/quantifying pathological processes on ancient bones, usefully supplementing conventional radiological analyses and clearly bringing an added value to retrospective diagnosis in palaeopathology.