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The use of simple image analysers in lung morphometry
Journal of Microscopy
|September 1, 1978
Summary
Image analyzers offer reliable measurements of lung inter-alveolar wall distance, showing minimal variation across observers and machines. While machine measurements differ slightly from human ones, they are highly correlated and useful for lung research.
Area of Science:
- Pulmonary pathology
- Histomorphometry
- Medical imaging analysis
Background:
- Accurate measurement of inter-alveolar wall distance is crucial for assessing lung structure and disease.
- Traditional methods are subject to observer variability and can be time-consuming.
Purpose of the Study:
- To evaluate the reliability and accuracy of commercially available image analyzers for measuring inter-alveolar wall distance.
- To compare machine-based measurements with human measurements and assess influencing factors.
Main Methods:
- Histologic sections of human and animal lungs were analyzed using multiple image analysis systems.
- Inter- and intra-observer variations were assessed.
- Measurements were taken at different magnifications and planes.
Main Results:
- Image analyzers demonstrated small inter- and intra-observer variations and consistent results across different machines.
- Magnification and measurement plane significantly influenced recorded distances.
- Machine measurements were smaller than human measurements due to spurious intercepts but highly correlated.
Conclusions:
- Commercially available image analyzers provide reproducible and reliable measurements of inter-alveolar wall distance.
- Machine-based measurements can accurately predict human-based measurements.
- Image analyzers show potential for similar quantitative analyses in other organs.