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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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