Age at death estimation using multislice computed tomography reconstructions of the posterior pelvis.
Thanks to recent advances, computed tomography is now seen as a tool of great value in the field of physical anthropology. In this study, we focused on the posterior pelvis and the auricular surface and evaluated the accuracy of 3D reconstructions of the auricular surface, using a methodology derived from a previous study by Lovejoy et al. We also looked for trabecular bone criteria expressing age-related changes. Forty-six coxal bones were scanned, and scoring of macroscopic criteria showed a good agreement between 3D reconstructions and photographs, especially for transverse organization (k = 0.90). The changes occurring in the posterior part of the sacropubic trabecular bundle were evaluated on CT reconstructions via three new criteria, which exhibited a good intra- and inter-observer agreement (k = 0.77-0.89), and were particularly useful in identifying older subjects. We concluded that these CT-evaluated trabecular bone criteria are promising and yield useful information about age at death.
Barrier
Pierre
P
Service de Radiologie Générale, Hôpital de Rangueil, Avenue du Professeur Jean Poulhès, 31403 Toulouse Cedex 4, France. p.barrier@gmail.com
Dedouit
Fabrice
F
Braga
José
J
Joffre
Francis
F
Rougé
Daniel
D
Rousseau
Hervé
H
Telmon
Norbert
N
D000328:Adult; D000365:Age Determination by Skeleton / Q000379:methods*; D000368:Aged; D000369:Aged, 80 and over; D005240:Feasibility Studies; D005260:Female; D018732:Forensic Anthropology / Q000379:methods; D006801:Humans; D021621:Imaging, Three-Dimensional; D008297:Male; D008875:Middle Aged; D010384:Pelvic Bones / Q000000981:diagnostic imaging* / Q000648:ultrastructure*; D014057:Tomography, X-Ray Computed / Q000379:methods*