RT Book, Section A1 Bagot, Martine A1 Stadler, Rudolf A2 Kang, Sewon A2 Amagai, Masayuki A2 Bruckner, Anna L. A2 Enk, Alexander H. A2 Margolis, David J. A2 McMichael, Amy J. A2 Orringer, Jeffrey S. SR Print(0) ID 1161337095 T1 Cutaneous Lymphoma T2 Fitzpatrick's Dermatology, 9e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9780071837798 LK dermatology.mhmedical.com/content.aspx?aid=1161337095 RD 2024/04/24 AB Primary cutaneous lymphomas are a heterogeneous group of extranodal non-Hodgkin lymphomas arising from malignant clonal transformation of skin homing or/and skin resident T cells or B lymphocytes and hematodermic precursor neoplasias (plasmacytoid dendritic cell neoplasias). Cutaneous lymphomas (Fig. 119-1) are defined as a heterogeneous group with distinct variability in clinical presentation, histopathology, immunophenotyping, and prognosis.