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Related Experiment Videos

[New fixative for pathological specimens in cold areas].

K Sano1, F Tokuchi, K Nagashima

  • 1Second Department of Pathology, Hokkaido University School of Medicine, Sapporo, Japan.

[Hokkaido Igaku Zasshi] the Hokkaido Journal of Medical Science
|September 1, 1987
PubMed
Summary
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A new fixative solution prevents surgical specimens from freezing during transport in cold climates. This 10% formalin and 20% ethylene glycol mixture preserves tissue morphology and antigenicity for accurate pathological diagnosis.

Area of Science:

  • Anatomical Pathology
  • Histology
  • Biochemistry

Context:

  • Surgical specimens transported in cold climates risk freezing, compromising pathological diagnosis.
  • Tissue freezing leads to morphological destruction and potential artifact.
  • Maintaining tissue integrity during cold-weather transport is crucial for accurate diagnostics.

Purpose:

  • To develop an effective fixative to prevent freezing artifacts in surgical specimens during cold transport.
  • To evaluate various fixative mixtures for their efficacy in preserving tissue morphology and antigenicity.
  • To identify an easily prepared and economical fixative solution.

Summary:

  • Tested various 10% formalin mixtures with cryoprotectants like sucrose, DMSO, glycerin, ethylene glycol, and polyethylene glycol.

Related Experiment Videos

  • Liver, kidney, and stomach tissues were fixed, frozen at -20°C, and then analyzed.
  • 10% formalin with 20% ethylene glycol demonstrated superior performance, preventing freezing and preserving tissue morphology and antigenicity.

    • Impact:

    • Provides a reliable method for preserving surgical specimen quality in cold environments.
    • Enables accurate pathological diagnosis by preventing freezing-induced tissue damage.
    • Offers a cost-effective and practical solution for pathology labs in cold regions.