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Thyroid transcription factor-1 (view source)
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===Negative staining=== | ===Negative staining=== | ||
*[[Squamous cell carcinoma of the lung]]. | *[[Squamous cell carcinoma of the lung]]. | ||
*[[SMARCA4-deficient non-small cell carcinoma of the lung]] - typically ~ 5% of [[lung adenocarcinoma]] is TTF-1 negative. | |||
**These cases are often [[CK7]] positive, [[HepPar-1]] positive.<ref name=pmid28038711>{{Cite journal | last1 = Herpel | first1 = E. | last2 = Rieker | first2 = RJ. | last3 = Dienemann | first3 = H. | last4 = Muley | first4 = T. | last5 = Meister | first5 = M. | last6 = Hartmann | first6 = A. | last7 = Warth | first7 = A. | last8 = Agaimy | first8 = A. | title = SMARCA4 and SMARCA2 deficiency in non-small cell lung cancer: immunohistochemical survey of 316 consecutive specimens. | journal = Ann Diagn Pathol | volume = 26 | issue = | pages = 47-51 | month = Feb | year = 2017 | doi = 10.1016/j.anndiagpath.2016.10.006 | PMID = 28038711 }}</ref> | |||
===Images=== | ===Images=== | ||