Non-Hodgkin lymphoma (NHL) is one of the most common hematologic malignancies worldwide. NHL includes malignant tumors of the lymphoid tissues variously resulting from the clonal growth of B cells, T cells and natural killer cells. NHL can be broadly classified based on the type of lymphocyte involved: B lymphocyte (B cell) or T lymphocyte (T cell) and is further classified by other factors, including whether it is aggressive or indolent. Aggressive NHL is fast-growing disease. It mainly includes mantle cell lymphoma, diffuse large B-cell lymphoma, Burkitt's lymphoma, lymphoblastic lymphoma and peripheral T-cell lymphoma. On the other hand, indolent NHL is slow-growing disease. It mainly includes follicular lymphoma, cutaneous T-cell lymphoma, lymphoplasmacytic lymphoma and MALT lymphoma.
Clementi R, Locatelli F, Dupre L, Garaventa A, Emmi L, Bregni M, Cefalo G, Moretta A, Danesino C, Comis M, Pession A, Ramenghi U, Maccario R, Arico M, Roncarolo MG
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A proportion of patients with lymphoma may harbor mutations of the perforin gene.