Abstract:Both anaplastic thyroid carcinoma (ATC) and angiosarcoma of the thyroid (AST) are highly aggressive malignancies with very limited therapeutic options. Since selective inhibition of COX-2, for example, by celecoxib has been shown to suppress both tumour formation and progression, we investigated COX-2 protein expression in a series of ATC and AST (26 cases each) using immunohistochemistry. COX-2 expression was demonstrated in 13 ATC (50%) and 11 AST (42%); a strong COX-2 expression in more than 50% of vital tu… Show more
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