Abstract #4189
Age estimation in adolescents and young adults using MRI data of the manubrium
Naira P. Martinez Vera 1 , Johannes Hller 1 , Bernhard Neumayer 1 , Thomas Widek 1 , Sabine Grassegger 1,2 , Thomas Ehammer 1 , Eva Scheurer 1,2 , and Martin Urschler 1
1
Ludwig Boltzmann Institute for Clinical
Forensic Imaging, Graz, Styria, Austria,
2
Institute
of Forensic Medicine, Medical University of Graz, Graz,
Styria, Austria
Skeletal age estimation based on MRI data of the
manubrium is of great interest due to an age-related
shape change of the manubrium and the use of a
non-invasive imaging technique. MRI data from male
adolescents and young adults were used to analyze the
age dependence of manubrium volume, area and shape. The
shape analysis was based on a non-linear PCA which
allowed to identify a principal component and to
simulate age-related change of the shape of the
manubrium. All parameters show a statistical correlation
with age and the PCA provides a new simulation tool
which may give further insight into the manubriums
age-related behavior.
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