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==IHC== | ==IHC== | ||
Features: | |||
*Lack of staining with [[neuroendocrine markers]] (chromogranin A -ve, synaptophysin -ve, CD56 -ve). | *Lack of staining with [[neuroendocrine markers]] (chromogranin A -ve, synaptophysin -ve, CD56 -ve). | ||
*Keratins +ve. | *Keratins +ve. | ||
Note: | |||
*Immunostains should not favour adenocarcinoma or squamous cell carcinoma - see ''Sloan-Kettering algorithm'' below. | |||
===Adenocarcinoma versus squamous carcinoma=== | |||
Sloan-Kettering algorithm - Rekhtman ''et al.'':<ref name=pmid21623384>{{Cite journal | last1 = Rekhtman | first1 = N. | last2 = Ang | first2 = DC. | last3 = Sima | first3 = CS. | last4 = Travis | first4 = WD. | last5 = Moreira | first5 = AL. | title = Immunohistochemical algorithm for differentiation of lung adenocarcinoma and squamous cell carcinoma based on large series of whole-tissue sections with validation in small specimens. | journal = Mod Pathol | volume = 24 | issue = 10 | pages = 1348-59 | month = Oct | year = 2011 | doi = 10.1038/modpathol.2011.92 | PMID = 21623384 }}</ref> | Sloan-Kettering algorithm - Rekhtman ''et al.'':<ref name=pmid21623384>{{Cite journal | last1 = Rekhtman | first1 = N. | last2 = Ang | first2 = DC. | last3 = Sima | first3 = CS. | last4 = Travis | first4 = WD. | last5 = Moreira | first5 = AL. | title = Immunohistochemical algorithm for differentiation of lung adenocarcinoma and squamous cell carcinoma based on large series of whole-tissue sections with validation in small specimens. | journal = Mod Pathol | volume = 24 | issue = 10 | pages = 1348-59 | month = Oct | year = 2011 | doi = 10.1038/modpathol.2011.92 | PMID = 21623384 }}</ref> | ||
{| class="wikitable sortable" | {| class="wikitable sortable" |
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