Papanicolaou stain: Difference between revisions
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'''Papanicolaou stain''', abbreviated '''Pap stain''', is a standard [[stain]] used in [[cytopathology]]. It is a modified [[H&E stain]]. | {{ 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== | ==General== | ||
*Can be thought of as the [[H&E stain|H&E]] of [[cytopathology]]. | *Can be thought of as the [[H&E stain|H&E]] of [[cytopathology]]. | ||
**It is a modified [[H&E stain]]. | **It is a modified [[H&E stain]]. | ||
*Specimens are fixed in ethanol. | *Specimens are [[fixation|fixed]] in ethanol. | ||
*Good for seeing nuclear detail. | *Good for seeing nuclear detail.<ref name=pmid16295430/> | ||
*Out-of-focus cytoplasm is translucent; allows one to focus overlapped cells in different planes. | *Out-of-focus cytoplasm is translucent; allows one to focus overlapped cells in different planes. | ||
==Use== | ==Use== | ||
*Cytopathology. | *[[Cytopathology]]. | ||
==Interpretation== | ==Interpretation== | ||
| Line 16: | Line 32: | ||
*Orange = keratin. | *Orange = keratin. | ||
=== | ===Images=== | ||
<gallery> | <gallery> | ||
Image: | 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> | </gallery> | ||
==See also== | ==See also== | ||
*[[Stains]]. | *[[Stains]]. | ||
==References== | |||
{{Reflist|1}} | |||
[[Category:Stains]] | [[Category:Stains]] | ||