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Related Experiment Videos

Traumatic osmium tetroxide inoculation.

J J Ligon1, J L Abraham, A S Boyd

  • 1Department of Medicine (Dermatology), Vanderbilt University, and the Department of Veterans Affairs Medical Center, Nashville, Tennessee, USA.

Journal of the American Academy of Dermatology
|November 17, 2001
PubMed
Summary
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Osmium tetroxide, used in electron microscopy, can cause skin damage. This case details traumatic inoculation and successful treatment of an osmium tetroxide lesion via excision.

Area of Science:

  • Toxicology
  • Materials Science
  • Histopathology

Background:

  • Osmium tetroxide is a potent oxidizing agent frequently utilized in electron microscopy for tissue fixation.
  • While its rapid tissue-damaging properties are recognized, specific cutaneous effects remain under-documented.
  • Occupational exposure risks exist in laboratory settings where osmium tetroxide is handled.

Observation:

  • A case of accidental self-inoculation occurred due to a fractured vial containing 4% osmium tetroxide.
  • The patient presented with a lesion resulting from direct contact with the chemical.
  • The affected tissue was biopsied for analysis.

Findings:

  • Electron microscopy confirmed cellular damage consistent with chemical exposure.
  • Energy dispersive X-ray spectroscopy (EDX) verified the presence of osmium within the tissue specimen.

Related Experiment Videos

  • Histopathological examination revealed characteristic changes induced by osmium tetroxide.

    • Implications:

    • This case highlights the potential for severe cutaneous injury from osmium tetroxide exposure.
    • Simple excision proved an effective treatment modality for this specific inoculation injury.
    • Reinforces the need for stringent safety protocols when handling osmium tetroxide in research and clinical environments.