Korean J Leg Med.  2022 May;46(2):55-58. 10.7580/kjlm.2022.46.2.55.

A False-positive Diatom Test in a Non-drowned Victim of Multiple Stab Wounds

Affiliations
  • 1Division of Forensic Medicine, National Forensic Service Seoul Institute, Seoul, Korea

Abstract

For the diagnosis of drowning in immersed bodies, the diatom test has been controversial due to false-negative and false-positive results. Causes of false positive results include antemortem penetration of diatoms, and postmortem contamination during the submersion or the diatom preparation process. Herein, we report a false-positive case in a 30-year-old woman who died from homicidal multiple stab wounds and was thrown into a shallow farm waterway approximately 10 days after her death. In addition, a discussion on the false-positive diatom test results in immersed bodies with penetrating wounds is provided.

Keyword

Diatoms; Drowning; Autopsy; False-positive reactions; Stab wounds
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