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Updated: Jun 19, 2026

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
Published on: September 21, 2017
Skull fracture with brain expulsion in a one-level jumping-fall
Pierre Guyomarc'h1, Maude Campagna-Vaillancourt, Amir Chaltchi
1Laboratoire de sciences judiciaires et de médecine légale, Edifice Wilfrid-Derome, Montreal (Quebec), Canada.
A man experiencing a psychotic episode caused severe head trauma and brain expulsion by jumping down stairs. This case highlights the extreme consequences of untreated psychosis and self-harm.
Area of Science:
- Forensic Pathology
- Neuropathology
- Psychiatry
Background:
- A case study involving a fatal fall from a single level.
- Investigating the cause of death in a patient with extensive craniocerebral trauma.
Observation:
- The deceased was discovered at the bottom of basement stairs with severe skull fractures.
- Approximately half of the brain was found expelled from the cranial cavity, several feet from the body.
Findings:
- The cause of death was determined to be craniocerebral trauma with brain expulsion.
- Police investigation revealed the deceased, in a paranoid psychotic state, attacked his wife and then intentionally inflicted head trauma with a hammer before jumping down the stairs headfirst.
Implications:
- This case underscores the critical need for prompt psychiatric intervention in psychotic episodes.
- Highlights the potential for extreme self-harm behaviors in individuals with untreated paranoid psychosis.
- Emphasizes the importance of thorough investigation in determining the circumstances of death, especially in cases with unusual injury patterns.
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