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Lymphoma is a type of cancer that develops from lymphocytes, which are key cells of the immune system. In lymphoma, these cells begin to multiply uncontrollably and accumulate in different parts of the body, most commonly in the lymph nodes, as well as in the spleen, bone marrow, and other organs.
There are two main types of lymphoma: Hodgkin lymphoma and non-Hodgkin lymphoma. Each has its own specific characteristics and treatment approaches. The main symptoms include enlarged, usually painless lymph nodes in various areas of the body (such as the neck, armpits, or groin), as well as unexplained weight loss, fever, and night sweats.
Statistics: Overall, lymphomas are among the most common blood cancers. Non-Hodgkin lymphoma (NHL) is more prevalent than Hodgkin lymphoma (HL) and is most often diagnosed in people over the age of 60. Hodgkin lymphoma is more typical in younger individuals (ages 15–40) and in people over 55.
Heredity: Most cases of lymphoma are not hereditary. Family history may slightly increase the risk, particularly for Hodgkin lymphoma, but it is rarely the sole or primary cause.
