Difference between revisions of "Merkel cell carcinoma"

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+NF
(+NF)
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| LMDDx      = [[small cell carcinoma]], cutaneous [[Ewing sarcoma]], [[Burkitt lymphoma]], other [[small round blue cell tumours]]
| LMDDx      = [[small cell carcinoma]], cutaneous [[Ewing sarcoma]], [[Burkitt lymphoma]], other [[small round blue cell tumours]]
| Stains    =
| Stains    =
| IHC        = Merkel cell polyomavirus +ve, CK20 +ve (perinuclear dot-like), CD56 +ve, TTF-1 -ve, CK7 -ve
| IHC        = Merkel cell polyomavirus +ve, CK20 +ve (perinuclear dot-like), CD56 +ve, TTF-1 -ve, CK7 -ve, NF +ve
| EM        =
| EM        =
| Molecular  =
| Molecular  =
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*AE1/AE3 +ve.
*AE1/AE3 +ve.
*Merkel cell polyomavirus +ve ~85% of cases.<ref name=pmid21870327>{{Cite journal  | last1 = Jung | first1 = HS. | last2 = Choi | first2 = YL. | last3 = Choi | first3 = JS. | last4 = Roh | first4 = JH. | last5 = Pyon | first5 = JK. | last6 = Woo | first6 = KJ. | last7 = Lee | first7 = EH. | last8 = Jang | first8 = KT. | last9 = Han | first9 = J. | title = Detection of Merkel cell polyomavirus in Merkel cell carcinomas and small cell carcinomas by PCR and immunohistochemistry. | journal = Histol Histopathol | volume = 26 | issue = 10 | pages = 1231-41 | month = Oct | year = 2011 | doi =  | PMID = 21870327 }}</ref>
*Merkel cell polyomavirus +ve ~85% of cases.<ref name=pmid21870327>{{Cite journal  | last1 = Jung | first1 = HS. | last2 = Choi | first2 = YL. | last3 = Choi | first3 = JS. | last4 = Roh | first4 = JH. | last5 = Pyon | first5 = JK. | last6 = Woo | first6 = KJ. | last7 = Lee | first7 = EH. | last8 = Jang | first8 = KT. | last9 = Han | first9 = J. | title = Detection of Merkel cell polyomavirus in Merkel cell carcinomas and small cell carcinomas by PCR and immunohistochemistry. | journal = Histol Histopathol | volume = 26 | issue = 10 | pages = 1231-41 | month = Oct | year = 2011 | doi =  | PMID = 21870327 }}</ref>
*NF +ve (12 of 13 cases).<ref name=pmid16625069>{{cite journal |authors=Bobos M, Hytiroglou P, Kostopoulos I, Karkavelas G, Papadimitriou CS |title=Immunohistochemical distinction between merkel cell carcinoma and small cell carcinoma of the lung |journal=Am J Dermatopathol |volume=28 |issue=2 |pages=99–104 |date=April 2006 |pmid=16625069 |doi=10.1097/01.dad.0000183701.67366.c7 |url=}}</ref>
**Useful to differentiate from [[small cell carcinoma of lung]].


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