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Related Experiment Video

Updated: May 11, 2026

Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
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Virtual autopsy in hanging.

Matteo Polacco1, Pasquale D'Alessio, Francesco Ausania

  • 1Institute of Legal Medicine, Medical School, Catholic University, USA.

The American Journal of Forensic Medicine and Pathology
|May 1, 2013
PubMed
Summary

Postmortem computed tomographic (CT) imaging accurately identified neck injuries in a hanging case, matching autopsy results. CT revealed details like fractures and spinal issues missed by traditional autopsy methods.

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Area of Science:

  • Forensic pathology
  • Radiology
  • Medical imaging

Background:

  • Autopsy is the standard for postmortem examination.
  • Computed tomography (CT) offers a non-invasive alternative for examining deceased individuals.
  • Comparing CT findings with autopsy results is crucial for validating its use.

Observation:

  • A case of death by hanging was examined using postmortem CT.
  • CT imaging was compared directly with traditional autopsy findings.
  • Specific injuries to the neck, including soft tissue and bone, were analyzed.

Findings:

  • CT imaging demonstrated a high concordance with autopsy findings, particularly for bone, soft tissue, and spinal injuries.
  • Detailed visualization of the ligature mark, dermal thickening, and sternocleidomastoid muscle hemorrhages was achieved via CT.
  • CT identified a hyoid bone fracture and C5-C6 retrolisthesis, which were not detected during the anterior-approach autopsy.
  • The absence of vascular findings (e.g., Amussat mark) in CT was attributed to the non-use of barium mixture injection.

Implications:

  • Postmortem CT can provide valuable, detailed information complementing traditional autopsy, especially for skeletal and soft tissue injuries.
  • CT's ability to detect subtle spinal abnormalities like retrolisthesis may improve postmortem diagnostics.
  • Virtual autopsy using CT offers a non-invasive method that can reveal injuries missed by conventional autopsy techniques.