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Post-mortem virtual estimation of free abdominal blood volume
Garyfalia Ampanozi1, Gary M Hatch, Thomas D Ruder
1Center of Forensic Imaging and Virtopsy, Institute of Forensic Medicine, University of Bern, Buehlstrasse 20, CH 3012 Bern, Switzerland. garyfalia.ampanozi@irm.uzh.ch
Virtual estimation of abdominal blood volume using postmortem computed tomography (PMCT) is reliable. This technique provides valuable data when autopsy is not feasible or postmortem angiography is performed.
Area of Science:
- Forensic Radiology
- Medical Imaging
- Pathology
Background:
- Accurate quantification of abdominal blood volume is crucial in forensic investigations.
- Traditional methods may be limited, necessitating advanced imaging techniques.
Purpose of the Study:
- To assess the reliability of virtual abdominal blood volume estimation.
- To evaluate segmentation techniques using postmortem computed tomography (PMCT) data.
Main Methods:
- Retrospective analysis of 21 cases with free abdominal blood using PMCT.
- Manual segmentation for volume estimation compared with autopsy findings.
- Inclusion of post-mortem computed tomographic angiography (PMCTA) in six cases.
Main Results:
- Virtually estimated blood volumes showed no significant difference compared to autopsy measurements.
- Inclusion of PMCTA did not introduce significant bias to the data.
Conclusions:
- Virtual estimation of abdominal blood volume via PMCT is a reliable method.
- This technique serves as a valuable adjunct to autopsy or postmortem angiography.
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