Peripheral T-cell Lymphomas

PTCL, NOS is the most common subtype of PTCL in Western countries, accounting for approximately 30 percent of PTCL and approximately 4 percent of non-Hodgkin lymphomas (NHLs) overall [3][4] .Most patients are adults with a median age at diagnosis of 60 years 5 .The diagnosis is more common in men than women by a ratio of approximately 2:1 6 .*Incidence among peripheral T-cell and NK/T-cell lymphoma from the International T-Cell Project.†Provisional entities.