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SATB2 is expressed in Merkel cell carcinoma
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
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2016 (English)In: Archives of Dermatological Research, ISSN 0340-3696, E-ISSN 1432-069X, Vol. 308, no 6, 449-454 p.Article in journal (Refereed) PublishedText
Abstract [en]

Merkel cell carcinoma (MCC) is a rare aggressive skin cancer with neuroendocrine differentiation. With immunohistochemistry, the tumor cells stain for both neuroendocrine (i.e., synaptophysin and chromogranin A) and epithelial markers. The epithelial marker cytokeratin 20 (CK20) stains positive with immunohistochemistry in a vast majority of MCCs. The expression of the special AT-rich sequence-binding protein (SATB2) was analyzed in MCC (n = 20) together with other forms of skin cancer and neuroendocrine tumors (n = 51) using immunohistochemistry. The results were compared to the expression of CK20, synaptophysin, and chromogranin A. The majority of the MCCs stained positive for synaptophysin and chromogranin A (95 vs 80 % respectively), and 75 % of the MCCs showed cytoplasmic positivity for CK20 and nuclear positivity for SATB2, with two discordant cases lacking expression of one of these markers. We conclude that immunohistochemistry for SATB2 can be used as an additional marker with similar sensitivity and specificity as CK20 for the diagnosis of Merkel cell carcinoma, suggesting a clinical utility in difficult cases where MCC is suspected.

Place, publisher, year, edition, pages
2016. Vol. 308, no 6, 449-454 p.
Keyword [en]
Merkel cell carcinoma, CK20, SATB2, Tissue microarray, Immunohistochemistry
National Category
Dermatology and Venereal Diseases
Identifiers
URN: urn:nbn:se:uu:diva-300433DOI: 10.1007/s00403-016-1655-6ISI: 000379491300010PubMedID: 27262585OAI: oai:DiVA.org:uu-300433DiVA: diva2:951571
Funder
Knut and Alice Wallenberg Foundation
Available from: 2016-08-09 Created: 2016-08-09 Last updated: 2016-08-09Bibliographically approved

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Edqvist, Per-HenrikCoter, AnnaPontén, Fredrik
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