Postmortem 3-D reconstruction of skull gunshot injuries

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Forensic Science International (Article in press)

O. PeschelU. SzeimiesC. VollmarS. Kirchhoff

 

amplia-mente‘s insight:

En este artículo se pone de manifiesto la ayuda que supone al Médico Forense las pruebas de imágen en la autopsia, lo que conocemos como virtuopsias.

Aquí se describe como reconstruir las fracturas craneales que se producen como consecuencia de un disparo y determinar la trayectora del mismo.

Las virtuopsias tienen sus ventajas y sus inconvenientes y deberán de ser vistas como un apoyo al Patólogo Forense. Debemos abandonar la idea de que no es necesario el examen macroscópico del cadáver, ya que este es indispensable para poder completar el estudio autópsico.

Abstract

Background

In cases of severe decomposition or skeletonisation of a corpse after cerebral gun shot injury it is difficult to exactly reconstruct the bullet path in the brain. However, in case of murder or homicide this might become necessary to answer forensic questions such as the ability to move or other actions of the victim.

Material & Methods

Therefore a method in terms of three dimensional reconstruction technique was developed by fusing computed tomography scans (CT) of the original skull and magnetic resonance images (MRI) of a normal brain of adequate size. Hereby five cases were investigated.

Results

In three cases an excellent concordance between the reconstructed bullet trajectory and the autopsy reports was achieved. In one case the original brain was not available for CT-scanning due to previous autopsy. However, the findings were in line with the pathology report. In one case there was a difference of about 1-2 cm between the original autopsy description and the reconstructed bullet path. This was due to only a part of the skull being available for image reconstruction.

Conclusion

The findings suggest that this method can successfully be applied to adequately reconstruct bullet paths in cases of completely skeletonized skulls, but should carefully be used in cases of incomplete skull.

See on www.sciencedirect.com

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  1. Pingback: Virtopsias: mito o realidad | AmpliaMente

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