Non-Hodgkin lymphoma causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Causes

The etiology, or cause, of most lymphomas is not known. Some types of lymphomas are associated withviruses.Burkitt's lymphoma, extranodal NK/T cell lymphoma, classical Hodgkin's disease and most AIDS-related lymphoma are associated with Epstein-Barr virus. Adult T-cell lymphoma/leukemia, endemic in parts of Japan and the Caribbean, is caused by the HTLV-1 virus. Lymphoma of the stomach (extranodal marginal zone B-cell lymphoma) is often caused by the Helicobacterbacteria.

The incidence of non-Hodgkin's lymphoma has increased dramatically over the last couple of decades. This disease has gone from being relatively rare to being the fifth most common cancer in the United States. At this time, little is known about the reasons for this increase or about exactly what causes non-Hodgkin's lymphoma.

Doctors can seldom explain why one person gets non-Hodgkin's lymphoma and another does not. It is clear, however, that cancer is not caused by an injury, and is not contagious; no one can "catch" non-Hodgkin's lymphoma from another person.

By studying patterns of cancer in the population, researchers have found certain risk factors that are more common in people who get non-Hodgkin's lymphoma than in those who do not. However, most people with these risk factors do not get non-Hodgkin's lymphoma, and many who do get this disease have none of the known risk factors.

Drug Side Effect

• Ciclosporin

References

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