T-cell lymphoma

The T-cell lymphomas are the four types of lymphoma that affect T cells. These account for perhaps one in ten cases of non-Hodgkin lymphoma.

They can be associated with Epstein Barr virus and Human T-cell leukemia virus-1.

Types
The four classes are:


 * Extranodal T cell lymphoma
 * Cutaneous T cell lymphomas: Sézary syndrome and Mycosis fungoides
 * Anaplastic large cell lymphoma
 * Angioimmunoblastic T cell lymphoma

More information on various classification schemes is in the main lymphoma article.

Epidemiology
Of all cancers involving the same class of blood cell, 8% of cases are mature T cell lymphomas. Of such cases, 2% are precursor T lymphoblastic and 2% are cutaneous T cell lymphomas.