Difference between revisions of "Papanicolaou stain"
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{{ Infobox stain | |||
| Name = {{PAGENAME}} | |||
| Image = Low grade squamous intraepithelial lesion.jpg | |||
| Width = | |||
| Caption = Low grade squamous intraepithelial lesion. | |||
| Abbrev = Pap stain | |||
| Synonyms = | |||
| Variants = | |||
| Similar = [[Romanowsky stain]]s | |||
| Use = the standard stain in [[cytopathology]] | |||
| Subspecial = | |||
| Interpret = blue/purple = nucleus, pink/green = cytoplasm, orange = keratin | |||
| Positive = | |||
| Negative = | |||
| Other = | |||
}} | |||
'''Papanicolaou stain''', abbreviated '''Pap stain''', is a standard [[stain]] used in [[cytopathology]].<ref name=pmid16295430>{{Cite journal | last1 = Prabhudesai | first1 = NM. | last2 = Kulkarni | first2 = MB. | last3 = Desai | first3 = SB. | last4 = Borges | first4 = AM. | title = Modified H & E staining technique for fine needle aspiration cytology (FNAC) smears. | journal = Indian J Pathol Microbiol | volume = 47 | issue = 3 | pages = 384-6 | month = Jul | year = 2004 | doi = | PMID = 16295430 }}</ref> It is a modified [[H&E stain]]. | |||
==General== | |||
*Can be thought of as the [[H&E stain|H&E]] of [[cytopathology]]. | |||
**It is a modified [[H&E stain]]. | |||
*Specimens are [[fixation|fixed]] in ethanol. | |||
*Good for seeing nuclear detail.<ref name=pmid16295430/> | |||
*Out-of-focus cytoplasm is translucent; allows one to focus overlapped cells in different planes. | |||
==Use== | |||
*[[Cytopathology]]. | |||
==Interpretation== | |||
*Blue/purple = nucleus. | |||
*Green/pink = cytoplasm. | |||
*Orange = keratin. | |||
===Images=== | |||
<gallery> | |||
Image:Low grade squamous intraepithelial lesion.jpg|Cervix - LSIL - Pap stain. (WC) | |||
Image:High-grade squamous intraepithelial lesion.jpg|Cervix - HSIL - Pap stain. (WC) | |||
Image:Lung small cell carcinoma -- extremely high mag.jpg|Lung - SmCC - Pap stain. (WC) | |||
Image:Urine_citology_urothelial_carcinoma_2.jpg | [[Urine cytology]] - UCC - Pap stain. (WC) | |||
</gallery> | |||
==See also== | |||
*[[Stains]]. | |||
==References== | |||
{{Reflist|1}} | |||
[[Category:Stains]] | [[Category:Stains]] | ||
Latest revision as of 04:17, 24 April 2016
| 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
Cervix - LSIL - Pap stain. (WC)
Cervix - HSIL - Pap stain. (WC)
Lung - SmCC - Pap stain. (WC)
Urine cytology - UCC - Pap stain. (WC)
