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Traumatic pericallosal artery aneurysm

K Opeskin1

  • 1Victorian Institute of Forensic Pathology, South Melbourne, Australia.

The American Journal of Forensic Medicine and Pathology
|March 1, 1995
PubMed
Summary
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This case report details a traumatic pericallosal artery aneurysm rupture following a motor vehicle accident. Forensic examination confirmed the aneurysm

Area of Science:

  • Neuroscience
  • Neuropathology
  • Forensic Medicine

Background:

  • Traumatic cerebral artery aneurysms are rare, with only 17 reported cases.
  • Distinguishing traumatic from spontaneous aneurysms is crucial for accurate diagnosis and understanding etiology.

Observation:

  • A 33-year-old male experienced fatal head trauma in a motor vehicle accident, remaining unconscious for 10 days.
  • Autopsy revealed severe hemorrhage destroying the corpus callosum, associated with a distal anterior cerebral artery (pericallosal artery) aneurysm.
  • Additional traumatic hemorrhages were noted throughout the brain.

Findings:

  • Clinical presentation suggested a ruptured berry pericallosal artery aneurysm as the cause of the accident.
  • Angiographic and forensic neuropathologic review indicated a traumatic origin for the aneurysm.

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  • This is the first reported case of a traumatic pericallosal artery aneurysm in a forensic setting.

    • Implications:

    • This case highlights the importance of considering traumatic aneurysms in the context of head injuries.
    • Understanding the features distinguishing traumatic from spontaneous aneurysms can improve diagnostic accuracy.
    • Further research into traumatic cerebral artery aneurysms is warranted, particularly in forensic investigations.