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Lymphoma occurs as general term for malignancies of lymphocytes or, more seldom, of histiocytes. Conjointly, these cell types form a reticuloendothelial system and circulate in the vessels of the lymphatic system. Traditionally, Lymphoma is classified when Hodgkin's lymphoma, discovered by Thomas Hodgkin in 1832, and non-Hodgkin's lymphoma (all other types of lymphoma). Modern classifications of lymphoma use at times moved out of this unreal section.

Classification
A Working Formulation, published within 1982, is primarily descriptive however remains a virtually all widely utilized classification of non-Hodgkin lymphoma now. Low Grade Malignant Lymphoma, little lymphocytic (chronic lymphocytic leukemia) Malignant Lymphoma, follicular, preponderantly microscopic cleaved cell Malignant Lymphoma, follicular, mixed (microscopic cleaved & big cell) Intermediate Grade Malignant Lymphoma, follicular, preponderantly big cell Malignant Lymphoma, diffuse, microscopic cleaved cells Malignant Lymphoma, soft, mixed (microscopic & big cells) Malignant Lymphoma, soft big cells High Grade Malignant Lymphoma, big cell, immunoblastic Malignant Lymphoma, lymphoblastic Malignant Lymphoma, little non-cleaved cells (Burkitt's lymphoma) Miscellaneous Composite Mycosis fungoides Histiocytic Extramedullary plasmacytoma Unclassifiable

A That Classification is the latest classification of lymphoma, published per World Health Organization in 2001. This classification tries to classify lymphomas by cell nature and severity, we.e. a normal cell nature and severity that virtually all closely resembles a tumor. It is classified around tercet big groups: a B cell tumours, the T cell and natural killer cell tumours, Hodgkin lymphoma, and more minor groups: Mature B Cell Neoplasms Chronic lymphocytic leukemia/small lymphocytic lymphoma B-cell prolymphocytic leukaemia Lymphoplasmacytic lymphoma/Waldenström macroglobulinemia Splenic marginal zone lymphoma Plasma cell neoplasms Plasma cell myeloma Plasmacytoma Monoclonal immune globulin deposition diseases Heavy chain diseases Extranodal marginal zone B cell lymphoma (MALT lymphoma) Nodal marginal zone B cell lymphoma Follicular lymphoma Mantle cell lymphoma Diffuse big B cell lymphoma Mediastinal (thymic) big B cell lymphoma Intravascular big B cell lymphoma Primary effusion lymphoma Burkitt lymphoma/leukemia lymphomatoid granulomatosis Mature T cell & Natural Killer (NK) Cell Neoplasms T cell prolymphocytic leukemia T cell big gritty lymphocytic leukemia Aggressive NK cell leukemia Adult T cell leukemia/lymphoma Extranodal NK/T cell lymphoma, rhinal type Enteropathy-nature and severity T cell lymphoma Hepatosplenic T cell lymphoma Blastic NK cell lymphoma Mycosis fungoides/Sezary syndrome Primary dermal CD30-caring T cell lymphoproliferative disorders Primary dermal anaplastic big cell lymphoma Lymphomatoid papulosis Angioimmunoblastic T cell lymphoma Peripheral T cell lymphoma, unspecified Anaplastic big cell lymphoma Hodgkin Lymphoma Nodular lymphocyte-predominant Hodgkin lymphoma Classical Hodgkin lymphoma Nodular sclerosis Mixed cellularity Lymphocyte-rich Lymphocyte depleted Immnuodeficiency-Associated Lymphoproliferative Disorders Associated by using the primary resistant disorder Associated by owning a Human being Immunodeficiency Virus (HIV) Post-transplant Associated using Methotrexate therapy Histiocytic & Dendritic Cell Neoplasms Histiocytic sarcoma Langerhans cell histiocytosis Langerhans cell sarcoma Interdigitating dendritic cell sarcoma/tumour Follicular dendritic cell sarcoma/tumour Dendritic cell sarcoma, unspecified

Prevalence
Based on data from a U.S. National Institutes of Health, lymphomas account for about 5 percent of completely lawsuits of cancer in the United States, & Hodgkin's disease particularly accounts for to a lesser degree 1 percent of everthing subjects of cancer in the United States.

Lymphoma Research Foundation of America
Promotes and supports research aimed at more effective and safe treatment.

The Leukemia & Lymphoma Society
Fighting leukemia, lymphoma, Hodgkin's disease and myeloma.

Lymphoma Foundation Canada
Provides support for those facing the disease and to those undertaking research in the diagnosis, treatment and possible cure.

Lymphoma Focus
Resource for many aspects of lymphoma including symptoms, diagnosis, treatment and webcasts.

Leukemia and Lymphoma Care
A lymphocytic leukemia and non-Hodgkins lymphoma cancer resource which is oriented to treatment options.

University of Medicine of New Jersey: Lymphoma Tutorial
Covers biology and diagnosis. Aimed at health professionals and motivated others.

Cancer.gov: Lymphoma
Online resource from the U.S. National Cancer Institute addressing many aspects of the disease such as diagnosis, risk factors and treatment options.

General Practice Notebook: Lymphoma
Clinically-oriented information about the different types.

Lymphomation
Non-profit provides information and support for patients and caregivers. Headquartered in Staten Island, New York.

Lymphoma Survivors Network
A resource for finding websites written by survivors.
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