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Related Experiment Videos

The nominal section thickness--importance of their correction for morphometry.

M J Otto1, O Löw, A Schneider

  • 1Institut für Pathologische Anatomie der Friedrich-Schiller-Universität, Jena, BRD.

Experimental Pathology
|January 1, 1991
PubMed
Summary

Accurate histologic slice thickness is crucial for reproducible morphometrical studies. This study found significant thickness variations at 2 and 6 microns, impacting volume density and Sholpo-correction accuracy.

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Area of Science:

  • Histology
  • Morphometry
  • Microscopy

Background:

  • Section thickness is a major artifact in morphometrical studies.
  • Uncorrected section thickness errors compromise reproducibility and comparability.

Purpose of the Study:

  • To measure the real finite section thickness of histologic slices.
  • To assess the impact of section thickness errors on volume density and Sholpo-correction.
  • To evaluate reproducibility of measurements.

Main Methods:

  • Microinterferometrical method used to measure real finite section thickness.
  • Nominal section thicknesses of 2, 4, and 6 microns were investigated.
  • Fictive volume density and Sholpo-correction errors were estimated.

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Main Results:

  • Significant differences between nominal and real thickness found for 2 and 6 microns.
  • Analogous differences observed in fictive volume densities and Sholpo-corrections at 2 and 6 microns.
  • No significant differences found for 4-micron sections.

Conclusions:

  • Section thickness significantly affects morphometrical accuracy at certain nominal values.
  • Accurate thickness measurement is essential for reliable morphometrical data.
  • The 4-micron nominal thickness appeared more reliable in this study.