Papanicolaou stain
Jump to navigation
Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
Papanicolaou stain | |
---|---|
Stain in short | |
Low grade squamous intraepithelial lesion. | |
Abbreviation | Pap stain |
Similar stains | Romanowsky stains |
Use | the standard stain in cytopathology |
Interpretation | blue/purple = nucleus, pink/green = cytoplasm, orange = keratin |
Papanicolaou stain, abbreviated Pap stain, is a standard stain used in cytopathology.[1] It is a modified H&E stain.
General
- Can be thought of as the H&E of cytopathology.
- It is a modified H&E stain.
- Specimens are fixed in ethanol.
- Good for seeing nuclear detail.[1]
- Out-of-focus cytoplasm is translucent; allows one to focus overlapped cells in different planes.
Use
Interpretation
- Blue/purple = nucleus.
- Green/pink = cytoplasm.
- Orange = keratin.
Images
Urine cytology - UCC - Pap stain. (WC)