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Abstract #4193

Native 3T MRI for skeletal age assessment of the hand and wrist: a comparison of two methods

Sabine GRASSEGGER 1,2 , Thomas EHAMMER 1 , Thomas WIDEK 1 , Andreas PETROVIC 3 , Pia BAUMANN 4 , and Eva SCHEURER 1,2

1 Ludwig Boltzmann Institute for Clinical-Forensic Imaging, Graz, Styria, Austria, 2 Institute of Forensic Medicine, Medical University of Graz, Graz, Styria, Austria, 3 Institute of Medical Engineering, Graz University of Technology, Graz, Styria, Austria, 4 University Centre of Legal Medicine, University of Lausanne, Lausanne, Vaud, Switzerland

The application of ionizing radiation without medical indication is prohibited in many countries. Thus, for the application in age assessment (i.e., in criminal proceedings and sports regulations) the Dvorak method based on MRI of the wrist was developed as an alternative to the standard X-ray based methodology according to Greulich&Pyle, and is regularly used by the FIFA for age testing in adolescent soccer athletes. The accuracy of both methods was evaluated in volunteers comparing estimated with chronological age. While Greulich&Pyle was quite accurate, Dvorak showed a great systematic deviation and cannot be recommended for age estimation.

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