The study was carried out by Dr. Pedro Manuel Garamendi González and directed by professors Miguel Botella López, and Inmaculada Alemán Aguilera. This is of special interest in the case of alleged illegal minors, since this technique will make it possible to determine the age of an individual by analysing the x-rays of their bones, when used in legal medicine.
For the study, UGR researchers conducted a comprehensive analysis of 123 digital postero-anterior chest x-rays and 742 digital ortopantomographies, using the “Image J” computer programme, which analyzes digital x-rays.
In radiology, what is the maturation rate of specific anatomical bone structures? The research carried out at the UGR aimed at answering this question. “In this particular case we have focused on the hyoid bone, the proximal clavicular epiphysis, the costal cartilage of the first rib, degenerative parameters of clavicle joints, certain abnormalities of the clavicle (conoid tubercle and the floor of the fourth ventricle) and cortical calvicular indicators”, stated Pedro Manuel Garamendi González.Better than other techniques
The conclusions of the research carried out by the UGR suggest that it is impossible to establish the age of a subject by solely looking at the greater horn of the hyoid bone because it may or may not be fused (as part of the normal ageing process). When dealing with autopsy cases of strangulation and hanging (where hyoid bone fractures are likely to appear), it is advisable to always carry out a cervical x-ray in order to avoid errors in the differential diagnosis with pre-mortem and post-mortem fractures and non-fusion states.More criteria for diagnosis
The study opens the door to new research lines on age diagnosis based on the analysis of both the acromioclavicular and sternoclavicular joints using more appropriate image techniques.
A general assessment of the research parameters shows that, due to their technical features, the use of digital x-rays is not the most adequate method to be applied in Anthropologic research which will be based on metric measures. “Nevertheless, digital x-rays are appropriate for determining osteologic features of important bone areas in x-ray studies within the field of Physical Anthropology,” conclude the authors of the study.
Some of the research results have already been published in the magazine 'Notes on Forensic Medicine', currently the main magazine in Spanish on forensic medicine.
Antonio Marín Ruiz | alfa
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