title: Common activated helper-T-cell origin for lymphomatoid papulosis, mycosis fungoides, and some types of Hodgkin's disease.
mesh_terms: D006689:Hodgkin Disease / Q000276:immunology*; D006801:Humans; D008213:Lymphocyte Activation; D008232:Lymphoproliferative Disorders / Q000276:immunology*; D009182:Mycosis Fungoides / Q000276:immunology*; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology*