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Related Experiment Videos

Pericarotid bone splinter: a microscopic appearance in hanging.

Ciprian Lupascu1, Nicole Berger, Cristian Lupascu

  • 1Pathology Laboratory, Hotel Dieu Hospital, Lyon, France. ciplupascu@hotmail.com

The American Journal of Forensic Medicine and Pathology
|November 25, 2003
PubMed
Summary
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Forensic pathologists discovered a novel pericarotid bone splinter in three hanging cases. This unique finding, near the carotid artery, aids in identifying specific hanging mechanisms.

Area of Science:

  • Forensic Pathology
  • Forensic Medicine
  • Toxicology

Background:

  • Asphyxia involving neck pressure is a significant cause of death.
  • Microscopic examination of neck structures is crucial for determining cause of death.
  • Existing literature lacks detailed descriptions of specific bone lesions in certain hanging types.

Purpose of the Study:

  • To identify and characterize novel lesions in neck structures resulting from asphyxia.
  • To investigate the potential diagnostic significance of newly found bone splinters in forensic cases.
  • To differentiate between various forms of neck strangulation based on pathological findings.

Main Methods:

  • Retrospective analysis of 145 cases of asphyxia involving neck pressure.
  • Microscopic examination of neck structures at the Pathology Laboratory of "Hotel Dieu" Hospital.

Related Experiment Videos

  • Detailed documentation of bone splinter characteristics, including size and antemortem indicators.

    • Main Results:

    • A previously undescribed pericarotid bone splinter was identified in 3 out of 145 cases.
    • These bone splinters, measuring 0.25–0.7 mm, exhibited antemortem characteristics with surrounding hemorrhage and fibrin.
    • The finding was exclusively observed in adult males who died from complete hanging with a lateral knot, correlating with laterocervical injury depth.

    Conclusions:

    • The pericarotid bone splinter likely originates from the transverse apophysis of the fourth cervical vertebra due to sudden traction in hanging.
    • This specific bone splinter is a unique indicator for complete hanging with a lateral knot, distinguishing it from other hanging types and strangulation.
    • The discovery provides a novel, specific postmortem sign for forensic investigations of hanging deaths.