<unk>  cell lymphoma shows a poor prognosis because of rapid local progression and distant metastasis.The median age of onset is approximately 50 years and it is common in elderly.<unk> <unk> /T-cell lymphoma is a rare disease in children and often it is associated with mosquito-bite hypersensitivity or other EBV-associated disease.Natural Killer <unk>  cell lymphoma is a rare disease.<unk> <unk> /T cell lymphoma, nasal type <unk> TCL) and aggressive<unk> -cell leukemia (ANKCL) have a higher incidence in Asia, Central, and South America.NK T cell lymphoma, nasal type (NNKTL) consist 3000-10000 out of 100000 cases of non-Hodgkin lymphoma in Asia and South America and less than 1000 in 10000 patient in western countries
Extranodal NK-T-cell lymphoma epidemiology and demographics
Mantle cell lymphoma epidemiology and demographics
Diffuse large B cell lymphoma epidemiology and demographics
Langerhans cell histiocytosis epidemiology and demographics
B-cell lymphoma epidemiology and demographics
Burkitt's lymphoma epidemiology and demographics
Follicular lymphoma epidemiology and demographics
Angioimmunoblastic T-cell lymphoma epidemiology and demographics