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diffuse large B-cell lymphoma
Pronunciation
Definition 1
A type of B-cell non-Hodgkin lymphoma (cancer of the immune system) that is usually aggressive (fast-growing). It is the most common type of non-Hodgkin lymphoma, and is marked by rapidly growing tumors in the lymph nodes, spleen, liver, bone marrow, or other organs. Other symptoms include fever, night sweats, and weight loss. There are several subtypes of diffuse large B-cell lymphoma. (NCI Dictionary)
Definition 2
A non-Hodgkin lymphoma characterized by a diffuse proliferation of predominantly large neoplastic B lymphocytes. It is the most frequently seen type of non-Hodgkin lymphoma, representing 30%-40% of the cases. Morphologic variants include centroblastic lymphoma, immunoblastic lymphoma, and anaplastic lymphoma. Subtypes/entities include T-cell/histiocyte rich large B-cell lymphoma, primary diffuse large B-cell lymphoma of the central nervous system, plasmablastic lymphoma, primary cutaneous diffuse large B-cell lymphoma, leg type, and ALK-positive large B-cell lymphoma. (NCI Thesaurus)