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Chapter 17 - Cutaneous T-Cell Lymphoma: Mycosis Fungoides and Sézary Syndrome
Book chapter

Chapter 17 - Cutaneous T-Cell Lymphoma: Mycosis Fungoides and Sézary Syndrome

Henry K Wong, Li Wu, Suresh de Silva, Pierluigi Porcu and Anjali Mishra
Epigenetics and Dermatology, pp.363-377
Elsevier Inc
2015
DOI: 10.1016/B978-0-12-800957-4.00017-5

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Abstract

Mycosis fungoides (MF) and Sézary syndrome (SS) are the most common variants of cutaneous T-cell lymphomas (CTCLs) and generally have an indolent course. These are subtypes of a diverse group of lymphoid malignancies that develop in the skin, which includes both indolent and aggressive types. MF/SS are neoplasms of CD4+ T cells, expressing a memory effector phenotype. In the early stages, MF/SS can be challenging to differentiate from nonmalignant inflammatory skin disorders, such as psoriasis or nonspecific dermatitis and additional specific biomarkers would improve diagnosis. Gene expression analysis has uncovered many novel transcriptional abnormalities in MF/SS, hinting at epigenetic mechanisms potentially playing a role in the altered regulation. The mechanism for the epigenetic changes is unclear, but these abnormal genes may serve as biomarkers in MF/SS diagnosis, provide insight into the pathogenesis of MF/SS, and lead to new treatment approaches.
methylation Sézary syndrome mycosis fungoides gene expression Cutaneous T-cell lymphoma

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