RT Book, Section A1 Lichtman, Marshall A. A1 Kaushansky, Kenneth A1 Prchal, Josef T. A1 Levi, Marcel M. A1 Burns, Linda J. A1 Armitage, James O. SR Print(0) ID 1133365258 T1 Mature T-Cell and Natural Killer Cell Lymphomas T2 Williams Manual of Hematology, 9e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259642470 LK hemonc.mhmedical.com/content.aspx?aid=1133365258 RD 2024/04/24 AB The term peripheral T-cell lymphoma (PTCL) refers to lymphomas originating in a mature (ie, post-thymic) T-cell.PTCLs make up 10% to 15% of all non-Hodgkin lymphomas and represent at least 23 heterogeneous diseases.Table 66–1 lists the most common of the mature T-cell and natural killer (NK) cell lymphomas.The incidence of various types of PTCL varies widely based on geography (Table 66–2).