Suicidal knife wound to the heart: challenges in reconstructing wound channels with post mortem CT and CT-angiography
Thomas D Ruder1, Thomas Ketterer, Ulrich Preiss
1Center of Forensic Imaging and Virtopsy, Institute of Forensic Medicine, University of Bern, Bern, Switzerland. thomas.ruder@irm.unibe.ch
Insights
This case report details a self-inflicted stab wound to the heart. Post-mortem CT imaging revealed challenges in reconstructing chest injuries due to organ and instrument movement.
Area of Science:
- Forensic pathology
- Medical imaging
- Trauma surgery
Background:
- Penetrating chest trauma presents unique challenges for forensic reconstruction.
- The movement of thoracic organs and the impaling object can complicate injury analysis.
- Computed tomography (CT) is a valuable tool in post-mortem investigations.
Observation:
- A case of a fatal self-inflicted stab wound directly to the heart is presented.
- Post-mortem computed tomography (CT) and CT-angiography were utilized.
- The imaging aimed to delineate the stab channel and reconstruct the event's sequence.
Findings:
- CT and CT-angiography provided detailed visualization of the stab wound's path.
- The study highlights how pneumothorax and organ displacement can affect the accuracy of forensic reconstructions.
- Image analysis demonstrated the potential for both detailed assessment and misinterpretation.
Implications:
- This case underscores the importance of advanced imaging techniques in forensic investigations of penetrating trauma.
- Understanding the limitations and potential pitfalls of CT in chest injury reconstruction is crucial for accurate medicolegal outcomes.
- CT imaging can offer significant insights into the dynamics of chest injuries, despite potential challenges.
Abstract:
We present a case of an individual who stabbed himself through the heart with a large knife. Post mortem computed tomography (CT) and CT-angiography were used to assess the stab channel and to reconstruct the sequence of events. After penetrating injuries to the chest, both the intra-thoracic organs and the injury causing instrument may shift (e.g. from pnemothorax) and render forensic reconstructions more challenging. This case report illustrates the potentials and the pitfalls of CT for the reconstruction of penetrating injures to the chest.
