Difference between revisions of "Immunohistochemical staining"

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==Organ specific==
==Organ specific==
===Thyroid===
===Thyroid and lung===
*TTF-1 ([[thyroid]] transcription factor-1) -- +ve in thyroid gland malignancies.
*TTF-1 ([[thyroid]] transcription factor-1) -- +ve in thyroid gland malignancies.
**Very good for [[breast]] vs. [[lung]].<ref name=pmid18318581>{{cite journal |author=Jagirdar J |title=Application of immunohistochemistry to the diagnosis of primary and metastatic carcinoma to the lung |journal=Arch. Pathol. Lab. Med. |volume=132 |issue=3 |pages=384–96 |year=2008 |month=March |pmid=18318581 |doi= |url=http://journals.allenpress.com/jrnlserv/?request=get-abstract&issn=0003-9985&volume=132&page=384}}</ref>
**Very good for [[breast]] vs. [[lung]].<ref name=pmid18318581>{{cite journal |author=Jagirdar J |title=Application of immunohistochemistry to the diagnosis of primary and metastatic carcinoma to the lung |journal=Arch. Pathol. Lab. Med. |volume=132 |issue=3 |pages=384–96 |year=2008 |month=March |pmid=18318581 |doi= |url=http://journals.allenpress.com/jrnlserv/?request=get-abstract&issn=0003-9985&volume=132&page=384}}</ref>
***Negative in squamous cell carcinoma of the lung (as with CK7 & CK20), though HMWK is usually positive.
***Often negative in squamous cell carcinoma of the lung (as with CK7 & CK20), though HMWK is usually positive.


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 BRST2) -- specific, but NOT sensitive.
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