Difference between revisions of "Immunohistochemical staining"

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Image: [http://commons.wikimedia.org/wiki/File:Lung_adenocarcinoma_-_TTF-1_-_high_mag.jpg Adenocarcinoma with nuclear TTF-1 positivity (WC)].
Image: [http://commons.wikimedia.org/wiki/File:Lung_adenocarcinoma_-_TTF-1_-_high_mag.jpg Adenocarcinoma with nuclear TTF-1 positivity (WC)].
===[[Breast]] markers===
===Breast markers===
*GCDFP-15 (aka BRST2) -- specific, but NOT sensitive.
*GCDFP-15 ([[AKA]] BRST-2) -- specific, but NOT sensitive.
*ER (estrogen receptor) - in normal breast.
*ER (estrogen receptor) - in normal [[breast]].
*PR (progesterone receptor) - in normal breast.
*PR (progesterone receptor) - in normal breast.
*HER2/neu - pathological, assoc. with worse prognosis.
*HER2/neu - pathological, assoc. with worse prognosis.
**HER2/neu+ cancers Tx'ed with trastuzumab (Herceptin).
**HER2/neu+ cancers Tx'ed with trastuzumab (Herceptin).


===Prostate===
===Prostate gland===
*PSA - prostatic specific antigen.
*PSA - [[prostate gland|prostatic]] specific antigen.
*PSAP - prostatic specific acid phosphatase.
*PSAP - prostatic specific acid phosphatase.
*p63 - stains nuclei of basal cell in normal [[prostate]].
*p63 - stains nuclei of basal cell in normal [[prostate]].
*34betaE12 - stains basals cells in normal prostate.
*34betaE12 - stains basals cells in normal prostate.
*AMACR (racemase, P504S<ref>[http://www.antibodies-online.com/antibody/125649/P504S+alphaMethylacylCoA+Racemace+AMACR+Human/ http://www.antibodies-online.com/antibody/125649/P504S+alphaMethylacylCoA+Racemace+AMACR+Human/]</ref>) - present in adenocarcinoma (NOT in normal prostate).
*AMACR (racemase, P504S<ref>[http://www.antibodies-online.com/antibody/125649/P504S+alphaMethylacylCoA+Racemace+AMACR+Human/ http://www.antibodies-online.com/antibody/125649/P504S+alphaMethylacylCoA+Racemace+AMACR+Human/]</ref>) - present in adenocarcinoma (NOT in normal prostate).
*CAP cocktail - AKA ''CAP'' (AMACR p63 and 34βE12).
*CAP cocktail - AKA ''CAP'' (AMACR, p63 and 34βE12).
**Image: [http://www.webpathology.com/image.asp?case=96&n=5 CAP CAP cocktail (webpathology.com)].
**Image: [http://www.webpathology.com/image.asp?case=96&n=5 CAP CAP cocktail (webpathology.com)].


===CRC markers===
===[[Colorectal tumours|Colorectal carcinoma]] markers===
*CEA.
*CEA.


===Small bowel===
===[[Small bowel]]===
*CDX2.
*CDX2.
*Villin.
*Villin.


===Kidney===  
===[[Kidney tumours|Kidney]]===  
[[Renal cell carcinoma]]:
[[Renal cell carcinoma]]:
*RCC, EMA, CD10.
*RCC, EMA, CD10.
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*CD68 (for macrophages).
*CD68 (for macrophages).


===Ovary===
===[[Ovarian tumours|Ovary]]===
*CA125, CK7+, CK20-.
*CA125, CK7+, CK20-.
*WT1 -- 90% in serous +ve.
*WT1 -- 90% in serous +ve.
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*WT-1, CA-125, D2-40.
*WT-1, CA-125, D2-40.


===Liver===
===[[Liver neoplasms|Liver]]===
*AFP (alpha-fetaprotein).
*AFP (alpha-fetaprotein).
*Glypican-3.
*Glypican-3.
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*CK19.<ref name=pmid18318589>{{cite journal |author=Geller SA, Dhall D, Alsabeh R |title=Application of immunohistochemistry to liver and gastrointestinal neoplasms: liver, stomach, colon, and pancreas |journal=Arch. Pathol. Lab. Med. |volume=132 |issue=3 |pages=490–9 |year=2008 |month=March |pmid=18318589 |doi= |url=}}</ref>
*CK19.<ref name=pmid18318589>{{cite journal |author=Geller SA, Dhall D, Alsabeh R |title=Application of immunohistochemistry to liver and gastrointestinal neoplasms: liver, stomach, colon, and pancreas |journal=Arch. Pathol. Lab. Med. |volume=132 |issue=3 |pages=490–9 |year=2008 |month=March |pmid=18318589 |doi= |url=}}</ref>


===Neuropathology===
===[[Neuropathology]]===
General:
General:
*S-100.
*S-100.
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Specific entities:
Specific entities:
*EMA +ve: meningioma, ependymomas (cytoplasm dot-like).<ref name=Ref_PSNP12>{{Ref PSNP|12}}</ref>
*EMA +ve: meningioma, ependymomas (cytoplasm dot-like).<ref name=Ref_PSNP12>{{Ref PSNP|12}}</ref>
Tumour (low-grade gliomas):
*IDH-1 +ve.
**Usually negative in Glioblastoma.


==Miscellaneous==
==Miscellaneous==
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===Lymphocytes===
===Lymphocytes===
*CD45 (AKA ''common leukocyte antigen'').
*CD45 ([[AKA]] ''common leukocyte antigen'').


===B-cells===
===B-cells===
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*CD15 Reed-Sternberg cells +ve ~80%, stains neutrophils.
*CD15 Reed-Sternberg cells +ve ~80%, stains neutrophils.


==Germ cell tumours==
==[[Germ cell tumour]]s==
===Seminoma===
===Seminoma===
*D2-40 +ve.<ref name=pmid18045648/>
*D2-40 +ve.<ref name=pmid18045648/>
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