Article
Transformed Mycosis Fungoides with a Cytotoxic T-Cell Phenotype.
International journal of surgical pathology - 1 Oct 2022
Hiraiwa Shinichiro, Hashimoto Norisato, Ueda Tomoki, Sugiyama Tomoko, Yokoyama Kenji, Matsuyama Takashi, Tajiri Takuma, Nakamura Naoya
Abstract excerpt
Mycosis fungoides (MF) is a cutaneous T-cell lymphoma and occasionally undergo large cell transformation (transformed MF, TMF), resulting in a poorer clinical outcome. We describe a case of TMF with an immunophenotypic shift. MF showed the CD4 + CD8- T-cell phenotype, while TMF exhibited the CD4-CD8 + T-cell phenotype. Moreover, TMF expressed cytotoxic markers of TIA1 and Granzyme B. A PCR analysis of T-cell...
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