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Stains (view source)

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==Hale's colloidal iron stain==
==Hale's colloidal iron stain==
===Use===
*[[Chromophobe renal cell carcinoma]] vs. [[renal oncocytoma]] - chromophobe [[renal cell carcinoma]] +ve.<ref name=pmid9537468>{{cite journal |author=Tickoo SK, Amin MB, Zarbo RJ |title=Colloidal iron staining in renal epithelial neoplasms, including chromophobe renal cell carcinoma: emphasis on technique and patterns of staining |journal=Am. J. Surg. Pathol. |volume=22 |issue=4 |pages=419–24 |year=1998 |month=April |pmid=9537468 |doi= |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0147-5185&volume=22&issue=4&spage=419}}</ref>


Notes:
{{:Hale's colloidal iron stain}}


===Interpretation===
==von Kossa stain==
*Blue (granular cytoplasmic) staining is positive.<ref name=Ref_WMSP682>{{Ref WMSP|682}}</ref>
===General===
*Type of silver stain.<ref name=pmid8360080>{{Cite journal  | last1 = Rungby | first1 = J. | last2 = Kassem | first2 = M. | last3 = Eriksen | first3 = EF. | last4 = Danscher | first4 = G. | title = The von Kossa reaction for calcium deposits: silver lactate staining increases sensitivity and reduces background. | journal = Histochem J | volume = 25 | issue = 6 | pages = 446-51 | month = Jun | year = 1993 | doi =  | PMID = 8360080 }}</ref>


Images:
*[http://www.diagnosticpathology.org/content/4/1/21/figure/f1?highres=n ChRCC Hale's colloidal iron (diagnosticpathology.org)].
Notes:
*Often described as a "fastidious" (difficult/demanding) stain.<ref>URL: [http://www.merriam-webster.com/dictionary/fastidious?show=0&t=1319550566 http://www.merriam-webster.com/dictionary/fastidious?show=0&t=1319550566]. Accessed on: 25 October 2011.</ref>
**A few staff think this is a totally useless stain.<ref>ALS. On several occasions in 2009.</ref>
*A variant exists known as the ''Muller and Mowry modification of Hale's colloidal iron stain'' (AKA ''Müller-Mowry stain'').<ref name=pmid16133362>{{Cite journal  | last1 = Mete | first1 = O. | last2 = Kilicaslan | first2 = I. | last3 = Gulluoglu | first3 = MG. | last4 = Uysal | first4 = V. | title = Can renal oncocytoma be differentiated from its renal mimics? The utility of anti-mitochondrial, caveolin 1, CD63 and cytokeratin 14 antibodies in the differential diagnosis. | journal = Virchows Arch | volume = 447 | issue = 6 | pages = 938-46 | month = Dec | year = 2005 | doi = 10.1007/s00428-005-0048-6 | PMID = 16133362 }}</ref>
==von Kossa stain==
===Use===
===Use===
*Look for calcium.
*Look for calcium.
*Actually stains phosphates and carbonates as a surrogate for calcium.


===Interpretation===
===Interpretation===
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Image: Lung adenocarcinoma - Diff-Quik -- high mag.jpg | [[Pulmonary_cytopathology#Adenocarcinoma|Lung adenocarcinoma]] - DQ - high mag. (WC)
Image: Lung adenocarcinoma - Diff-Quik -- high mag.jpg | [[Pulmonary_cytopathology#Adenocarcinoma|Lung adenocarcinoma]] - DQ - high mag. (WC)
Image: Lung adenocarcinoma - Diff-Quik -- very high mag.jpg | Lung adenocarcinoma - DQ - very high mag. (WC)
Image: Lung adenocarcinoma - Diff-Quik -- very high mag.jpg | Lung adenocarcinoma - DQ - very high mag. (WC)
Image: Lung small cell carcinoma - Diff-Quik -- very high mag.jpg | Lung SmCC - DQ - very high mag. (WC)
Image: Lung small cell carcinoma - Diff-Quik -- extremely high mag.jpg | Lung SmCC - DQ - extremely high mag. (WC)
</gallery>
</gallery>


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===General===
===General===
*Used in [[medical liver disease|medical liver]] biopsies - used to find copper.  
*Used in [[medical liver disease|medical liver]] biopsies - stains sulfhydrl groups and identifies:
**Copper-associated protein.
**Elastin.
**[[Hepatitis B]] surface antigen.<ref name=pmid7822848>{{Cite journal  | last1 = Ghosh | first1 = AK. | last2 = Dasgupta | first2 = A. | last3 = Raha | first3 = K. | last4 = Jana | first4 = A. | last5 = Majumdar | first5 = DN. | title = Hepatic histology in chronic liver disease in hepatitis B surface antigen positive cases. | journal = J Indian Med Assoc | volume = 92 | issue = 10 | pages = 333-5 | month = Oct | year = 1994 | doi =  | PMID = 7822848 }}</ref>


===Interpretation===
===Interpretation===
Features:<ref>URL: [http://www.nottingham.ac.uk/pathology/protocols/shikata.html http://www.nottingham.ac.uk/pathology/protocols/shikata.html]. Accessed on: 24 January 2011.</ref>
Features:<ref>URL: [http://www.nottingham.ac.uk/pathology/protocols/shikata.html http://www.nottingham.ac.uk/pathology/protocols/shikata.html]. Accessed on: 24 January 2011.</ref>
*Purple/brown = elastin fibres.
*Dark purple/brown = elastin fibres, HBsAg and copper-associated protein
*Red = nuclei.
*Light purple = background
*Light purple = background  
*Red = nuclei (only if counter-stain used)
*??? = Copper associated protein.


==Gömöri Trichrome stain==
==Gömöri Trichrome stain==
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*Yellow = muscle, fibrin, [[erythrocytes]].
*Yellow = muscle, fibrin, [[erythrocytes]].
*Green/brown = nuclei.
*Green/brown = nuclei.
====Images====
<gallery>
Image: Normal visceral pleura of lung - Miller -- high mag.jpg | Miller stain showing lung tissue. (WC)
</gallery>


=See also=
=See also=
Michael
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