Nodal Cytotoxic Peripheral T Cell Lymphoma Occurs Frequently in the Clinical Setting of Immunodysregulation and Is Associated with Recurrent Epigenetic Alterations

Ten patients had a history of B cell malignancies, one each of myeloid neoplasm, breast or prostate cancer, and four others had underlying immune disorders. Most patients died, mostly of disease, with a median overall survival of 12.7 months.