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Related Experiment Videos

Lost caps in histological counting methods

J C Hedreen1

  • 1Department of Psychiatry, Tufts University School of Medicine, Boston, Massachusetts, USA. jhedreen@opal.tufts.edu

The Anatomical Record
|March 28, 1998
PubMed
Summary
This summary is machine-generated.

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Lost caps, or small fragments missing from tissue sections, pose a challenge in object counting. The optical disector method effectively resolves this issue, unlike the Abercrombie correction method.

Area of Science:

  • Stereology
  • Histology
  • Quantitative Biology

Background:

  • Counting objects in sectioned tissue volumes is crucial for biological research.
  • Small object fragments, termed 'lost caps,' are frequently missed at section surfaces, introducing counting errors.
  • These lost caps are an unavoidable issue in many histological counting methods.

Purpose of the Study:

  • To analyze the impact of lost caps on four distinct histological counting methods.
  • To identify which methods are most susceptible to lost caps error.
  • To propose solutions for mitigating lost caps in quantitative stereology.

Main Methods:

  • Evaluation of the Abercrombie correction method.
  • Assessment of the empirical method for object counting.

Related Experiment Videos

  • Analysis of the optical disector technique.
  • Examination of the physical disector method.

    • Main Results:

    • Lost caps present an insoluble problem for the Abercrombie method, necessitating error correction factors.
    • Lost caps errors are inherently resolved within the optical disector method.
    • The empirical method requires preliminary blind identification or cross-referencing with adjacent sections to avoid lost caps.
    • The physical disector method necessitates either blind identification across sections or the use of three sections.

    Conclusions:

    • The optical disector offers a robust solution for lost caps in histological object counting.
    • Modifications to the Abercrombie equation are needed to account for lost caps.
    • The empirical and physical disector methods require specific procedural adjustments to minimize lost caps error.