Weapon identification using antemortem computed tomography with virtual 3D and rapid prototype modeling--a report in a case of blunt force head injury.

Abstract:

:A frequent request of a prosecutor referring to forensic autopsy is to determine the mechanism of an injury and to identify the weapons used to cause those injuries. This task could be problematic in many ways, including changes in the primary injury caused by medical intervention and the process of healing. To accomplish this task, the forensic pathologist has to gather all possible information during the post-mortem examination. The more data is collected, the easier it is to obtain an accurate answer to the prosecutor's question. The authors present a case of head injuries that the victim sustained under unknown circumstances. The patient underwent neurosurgical treatment which resulted in alteration of the bone fracture pattern. The only way to evaluate this injury was to analyze antemortem clinical data, especially CT scans, with virtual 3D reconstruction of the fractured skull. A physical model of a part of the broken skull was created with the use of 3D printing. These advanced techniques, applied for the first time in Poland for forensic purposes, allowed investigators to extract enough data to develop a hypothesis about the mechanism of injury and the weapon most likely used.

journal_name

Forensic Sci Int

authors

Woźniak K,Rzepecka-Woźniak E,Moskała A,Pohl J,Latacz K,Dybała B

doi

10.1016/j.forsciint.2012.06.012

subject

Has Abstract

pub_date

2012-10-10 00:00:00

pages

e29-32

issue

1-3

eissn

0379-0738

issn

1872-6283

pii

S0379-0738(12)00297-6

journal_volume

222

pub_type

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