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Isolated condylar fractures diagnosed by post mortem computed tomography.

Aleksandra Borowska-Solonynko1, Victoria Prokopowicz2, Dorota Samojłowicz2

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Occipital condylar fractures (OCFs) are more common than previously thought, affecting 22.6% of trauma fatalities. Post-mortem CT scans reveal OCFs in high-energy injuries, aiding trauma mechanism determination.

Keywords:
Death scene reconstructionHigh-energy mechanical injuriesOccipital condylar fracturesPostmortem computed tomography

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Area of Science:

  • Forensic pathology
  • Radiology
  • Trauma surgery

Background:

  • Occipital condylar fractures (OCFs) are often missed in traditional autopsies due to their location.
  • Previous estimates considered OCFs a rare injury.

Purpose of the Study:

  • To determine the actual frequency of OCFs in traumatic fatalities.
  • To investigate the utility of post-mortem computed tomography (PMCT) in identifying OCFs.
  • To correlate OCF presence with specific trauma mechanisms.

Main Methods:

  • Retrospective analysis of 438 post-mortem computed tomography (PMCT) studies.
  • Inclusion of victims from traffic accidents, falls from height, violence, and low-energy head injuries.
  • Detailed examination for occipital condylar fractures and associated injury patterns.

Main Results:

  • Occipital condylar fractures (OCFs) were identified in 22.6% of cases (99/438).
  • OCFs were most prevalent in fatalities from railway accidents (48.5%), falls from height (26.6%), cyclists (24%), and pedestrians hit by cars (22.5%).
  • Isolated OCFs occurred in 5.5% of cases, primarily in cyclists and pedestrians.

Conclusions:

  • Occipital condylar fractures (OCFs) are common in high-energy trauma fatalities, contradicting previous assumptions of rarity.
  • PMCT is a valuable tool for detecting OCFs and elucidating trauma mechanisms.
  • OCFs were not observed in fatalities from violence or low-energy head injuries.