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Abstract #2237

Evaluation of impact factors in the regeneration process of hematomas in the subcutaneous fatty tissue

Kathrin Ogris 1,2 , Eva Hassler 3 , Andreas Petrovic 1 , Bernhard Neumayer 1 , Thomas Widek 1 , and Eva Scheurer 1,2

1 Ludwig Boltzmann Institute Clinical-Forensic Imaging, Graz, Styria, Austria, 2 Department of Legal Medicine, Medical University of Graz, Styria, Austria, 3 Department of Radiology, Medical University of Graz, Styria, Austria

While the detection of hemorrhage in clinical medicine is focused on organs and body cavities forensic imaging requires reliable analysis of hematomas in subcutaneous fatty tissue for the reconstruction of events. In 20 healthy volunteers autologous blood was injected into the subcutaneous tissue of the thigh and repetitive MRI scans of the artificial hematoma were performed. When analyzing the final data, by calculating the Michelson contrast and a morphological evaluation of the hematomas and the fatty tissue, we came across three major influence factors (hematoma shape, fatty tissue structure and hematoma regeneration) for the assessment of the age of bruises.

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