Explaining the “pathology”
in
“digital pathology”
Yves Sucaet
December 2023
www.cytomine.com
Why this presentation?
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If want the make the best tools…
… understand where data comes from
Internal questions and curiosity
Where does the data come from?
When papa data and mama data love each other very much…
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From patient to (stained) slide(s)
Step 1: tissue harvesting (surgeon)
Step 1: theory
Step 1: practice
Step 2: slide preparation
Step 2: theory
Step 2: practice
Step 2: practice
Step 2: practice
Step 2: practice
Step 2: practice
How does a microtome work?
• https://www.youtube.com/watch?v=KnMdSgd5mts
Step 2: practice
Step 2: practice
Step 2: Different types of artifacts
Step 3: staining
Step 3: theory
Step 3: practice
Step 3: practice
Step 3: automation
How does a (Dako) autostainer work?
• https://www.youtube.com/watch?v=OkUfldg6-CA
Step 3: protocol selection www.stainsfile.com
Step 3: Additional types of artifacts
Histology and pathology
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If all went well, you have histology!
• Histology = study of normal tissue
• Pathology = study of diseased tissue
• H & E = Hematoxylin & Eosin stain (chemicals)
If all went well, you have histology!
• Histology = study of normal tissue
• Pathology = study of diseased tissue
• H & E = Hematoxylin & Eosin stain (chemicals)
If all went well, you have histology!
• Histology = study of normal tissue
• Pathology = study of diseased tissue
• H & E = Hematoxylin & Eosin stain (chemicals)
If all went well, you have histology!
• Histology = study of normal tissue
• Pathology = study of diseased tissue
• H & E = Hematoxylin & Eosin stain (chemicals)
If all went well, you have histology!
• Histology = study of normal tissue
• Pathology = study of diseased tissue
• H & E = Hematoxylin & Eosin stain (chemicals)
What does the slide scanner do?
• It automates the microscope!
What does the slide scanner do?
• It automates the microscope!
Histology 101
Histology 102
Histology 102
What does the pathologist see?
What do YOU see? What organ? Healthy or sick?
What does the pathologist see?
Healthy lung tissue; note the blood and sacks of air Diseased lung tissue; NSCLC; tight cells; bloated
nuclei
Ask for additional stains as needed
Ask for additional stains as needed
What does the pathologist do?
Pathology evaluation
The goal
Join me next time!
For more technical information on the “digital” in “digital pathology”
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Explaining "pathology" in digital pathology