An autopsy case of misdiagnosis based on postmortem computed tomography findings

Yosuke Usumoto1, Wakako Hikiji, Naomi Sameshima

  • 1Department of Forensic Pathology and Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan.

Fukuoka Igaku Zasshi = Hukuoka Acta Medica
|September 2, 2011
PubMed

Insights

Forensic autopsy revealed a ruptured renal artery, not head trauma, caused death. Postmortem CT scans can be misleading, requiring careful interpretation alongside autopsy findings.

Area of Science:

  • Forensic Pathology
  • Radiology
  • Trauma Medicine

Background:

  • Postmortem Computed Tomography (CT) is increasingly used to supplement forensic investigations.
  • Clinical diagnosis based on initial CT findings can sometimes differ from autopsy results.

Observation:

  • A middle-aged male cyclist was found deceased.
  • Initial CT suggested traumatic intracerebral hemorrhage and frontal bone fracture.
  • Forensic autopsy revealed no acute head trauma but an old frontal lobe defect and a ruptured left renal artery.

Findings:

  • The apparent intracerebral hemorrhage was attributed to bleeding into an old frontal lobe defect.
  • The actual cause of death was massive hemorrhage from a disrupted left renal artery.
  • Discrepancies between pre-autopsy CT and postmortem examination highlight potential diagnostic challenges.

Implications:

  • This case underscores the critical importance of integrating autopsy findings with imaging data.
  • Over-reliance on postmortem CT without thorough autopsy can lead to misdiagnosis in forensic cases.
  • Careful interpretation of postmortem CT is essential to avoid diagnostic errors in cause of death determination.

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