Abstract #1616

Age estimation of soft tissue hematomas using 3.0 T MRI: A feasible approach

Kathrin Ogris¹, Thomas Widek², Eva Hassler³, Andreas Petrovic⁴, Thorsten Schwark^1,2, Peter Grabuschnigg¹, and Eva Scheurer⁵

¹Institute of Forensic Medicine, Medical University of Graz, Graz, Austria, ²Ludwig Boltzmann Institute Clinical Forensic Imaging, Graz, Austria, ³Division of Neuroradiology, Vascular and Interventional Radiology, Department of Radiology, Medical University of Graz, Graz, Austria, ⁴Institute of Medical Engineering, Graz University of Technology, Graz, Austria, ⁵Institute of Forensic Medicine, University of Basel - Health Department Basel, Basel, Switzerland

Forensic imaging requires reliable analysis of hematomas and their resolution as they can have significant medico-legal consequences. In 30 healthy volunteers autologous blood was injected into the subcutaneous fatty tissue of the thigh and repetitive MRI scans of the artificial hematoma were performed on a 3T scanner. Due to the contrast behavior three relevant age ranges were defined and validated. The generated approach correctly classified all tested hematomas with an age less or equal 24 hours. The development of a reliable and objective MR-based age estimation method of hematomas is in the interest of justice.

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