Identification of Human Skeletal Remains by Comparison of Bony Details of the Cranium Using Computerized Tomographic (CT) Scans

Abstract

A case is described where a cranium from an unknown individual is identified by comparison of antemortem and postmortem computerized tomographic (CT) images of the bony structure of the skull. While on at least one occasion CT scans of individual cranial landmarks have been used to identify unknown remains, this study is remarkable because positive identification of a deceased individual was accomplished by performing a CT scan on an unidentified cranium and comparing multiple landmarks and images with corresponding features in an antemortem CT scan of a missing man. Bony details of the frontal and sphenoid sinuses, ethmoid and mastoid air cells, sagittal cranial suture, and the torcula (the internal occipital protuberance) were exactly the same on both CT scans, confirming them as the same person.

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