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Related Experiment Videos

Percutaneous needle autopsy sampling

B M Huston1, N N Malouf, H A Azar

  • 1Department of Pathology, University of North Carolina, Chapel Hill, USA.

Modern Pathology : an Official Journal of the United States and Canadian Academy of Pathology, Inc
|December 1, 1996
PubMed
Summary

Postmortem needle sampling offers a viable alternative to complete autopsies when consent is limited. This minimally invasive technique accurately identifies causes of death and major diagnoses, aiding in postmortem examinations.

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Area of Science:

  • Forensic Pathology
  • Medical Diagnostics
  • Pathology

Background:

  • Autopsy rates have declined despite their recognized diagnostic value.
  • Limited consent for complete postmortem examinations poses challenges in determining cause of death.
  • Alternative methods are needed to supplement or replace traditional autopsies.

Purpose of the Study:

  • To evaluate postmortem needle sampling as a less invasive alternative to conventional autopsies.
  • To compare the diagnostic accuracy of needle biopsies and cultures with complete postmortem examinations.
  • To assess the acceptability of needle sampling when full autopsy consent is denied.

Main Methods:

  • A prospective study involving 20 consecutive patients undergoing postmortem examination.

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  • Percutaneous needle biopsies of major organs (heart, lungs, liver, kidney) and relevant tissues/fluids were obtained.
  • Cultures of lung, spleen, and suspicious body fluids were performed prior to complete autopsy.

    • Main Results:

    • Needle sampling confirmed the cause of death in 67% of cases.
    • Diagnostic correlations between needle sampling and complete autopsy were high for major diagnoses (87%) and negative findings.
    • Postmortem needle cultures showed strong correlation with complete autopsy results (80-100% for various sites).

    Conclusions:

    • Postmortem needle sampling is a viable alternative to complete autopsies, especially when consent is restricted.
    • This minimally invasive approach provides accurate diagnostic information comparable to traditional methods.
    • Needle sampling may improve acceptance of postmortem examinations by grieving families.