Rhabdoid phenotype in squamous carcinoma. A report of two cases.

Abstract excerpt

We report two cases of squamous carcinoma in which a prominent rhabdoid phenotype was seen. The tumors which occurred in the buccal mucosa of a 70 year old man and the skin of a 85 year old man were positive for cytokeratin and epithelial membrane antigen indicating their epithelial nature. Co-expression of vimentin was also noted. The aggressive nature of the rhabdoid component is confirmed by the fact that the...

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